In Plain Sight

In the series opener, U.S. Marshal Mary Shannon of the Witness Protection Program tries to solve the murder of a mobster's son who was under her watch. Meanwhile, she must deal with her dysfunctional family on her birthday.

Mary must protect a drug dealer's young son, who has been adopted by another WITSEC family, after the dad sues for custody upon his release from prison. Mary realizes the case is an attempt to keep the boy from testifying against his father's boss, but she has a difficult time proving it to the judge.

Mary poses as a bridesmaid to protect a diamond smuggler who planned a high-profile wedding while in the program.

Marshall and Mary are stranded in the desert with a prisoner after hit men sabotage their vehicle, wounding Marshall in the process. Meanwhile, Jinx uncovers a painful truth about her past and vows, yet again, to clean up her act.

An art dealer under Mary's watch is shot, and the suspects include his mistress and his wife, who supposedly is unaware of the other woman.

Brothers in the program run into trouble when one of them, a college basketball star, develops a dangerous gambling habit.

An arrogant doctor and his family must move after his daughter witnesses a gang shooting, and the stress of adjusting to living in the program threatens to tear the once close-knit clan apart.

Mary loses a witness in a car accident and investigates if the event was related to his former life.

A one-night stand with a witness comes back to haunt Mary when he's accused of murder.

Mary's witness Natasha tries to settle in to her new life but hits a roadblock when she learns her boyfriend is also in the program.

Mary and Brandi's boyfriend Chuck are abducted in separate incidents, leading the Feds to believe there is a connection between the cases.

Season 1 ends with Mary fearing for her job after Brandi's involvement with drug trafficking is revealed. Meanwhile, Stan and Marshall take on a special assignment.

A witness's death pulls Mary out of administrative leave in the second-season premiere. While working on the case, she also must cope with her post-traumatic stress disorder.

Mary tries to secure the testimony of a drug mastermind who controls his severe anxiety by getting high.

A witness has trouble handling her three wild kids, so Mary steps in to help.

A witness is injured and trapped in a building collapse, leaving him vulnerable to a sniper waiting nearby.

An Orthodox Jewish witness realizes he's being followed by a strange man. The witness's wife, meanwhile, refuses to enter the witness-protection program.

Stan is implicated in the murder of his first witness after his badge is found with the witness's bones. As Mary and Marshall investigate, they learn about a 20-year-old love triangle.

After the engineer of a collapsed bridge is targeted by the families of those who died in the accident, he enters WITSEC and tries to prove he's not responsible for the collapse.

Mary and Marshall suspect that a new witness may be involved in a string of murders and the stabbing of Mary's friend. The pair try to determine if the witness is truly the killer before another victim surfaces.

Brandi is charged with murder and drug trafficking by Agt. O'Connor, leaving Mary to try to uncover the reasons behind his vendetta against her sister.

Mary searches for the missing son of a witness who won't testify unless he's able to visit his child.

A witness's teen daughter becomes involved in a reckless romance. Elsewhere, Raphael's mother visits and begins planning an engagement party without Mary's consent.

Mary shares her expertise with a film crew making a training video for U.S. Marshals. Elsewhere, Marshall makes arrangements for an elderly mobster in WITSEC to go to his son's funeral.

A counterfeiter witness is implicated in a murder. Mary and Marshall become suspicious of the clues, which seem fake, and wonder if there's a deeper conspiracy at hand.

A Wall Street investor hides out in WITSEC after revealing his boss's fraud. To gain protection, he gives up his fortune, which proves inconvenient when a ransom from his past needs to be paid.

A Latina political activist hides in WITSEC with help from the U.S. government, but the arrangement soon sours when she moves to her new home.

In the Season 3 premiere, Mary and Marshall look for Mary's would-be killer. Meanwhile, a Boston thief hopes to straighten out his life for the sake of his son.

The first witnesses Mary and Marshall handled together are put in danger by a break-in. Meanwhile, flashbacks reveal how Mary came to join WITSEC.

A BATF agent whom Mary has been protecting awakens from a three-year coma. His long-awaited testimony could put a weapons trafficker behind bars.

Mary and Marshall try to persuade an FBI informant to join WITSEC, but the man remains reluctant. Elsewhere, Stan tries to wrangle an ex-boxer witness suffering from dementia.

Mary's new witness, a former hit man with a penchant for explosives, falls in love. Mary has high hopes for the romance, but her optimism quickly turns to concern after the man is dumped. He's also bullied by a local politician and considers taking drastic actions to vent his frustrations.

Mary helps a parolee and former bank robber stay on the straight and narrow and acclimate to life outside prison. Meanwhile, Marshall pitches in to help Mary with a witness, but the witness ends up preferring Marshall's help over Mary's.

Agent Faber pairs Mary with a new witness who was involved in a mortgage-fraud scheme for a gang. Mary distrusts the woman, but Faber also seems to have ulterior motives during the case: namely, pursuing Mary.

Marshall deals with feelings of inadequacy when working with his dad, who visits Albuquerque to round up fugitives with outstanding warrants. Elsewhere, Brandi returns home with an odd explanation for her disappearance and a guest in tow.

A woman wants to escape from her family, who are heavily involved in organized crime, but a secret from her past puts her eligibility for witness protection in jeopardy. In the face of these obstacles, she turns to Mary for help.

A witness with Asperger's refuses to testify against her friend, frustrating Mary. Elsewhere, Marshall and Stan try to prevent the deportation of a key witness, and Brandi comes clean about her investment plan with Scott.

Mary helps her latest witness, a homeless man who's struggling with the program, find his birth parents. But the search could cause more problems than she anticipated. Elsewhere, Scott asks to borrow more money, raising a red flag for Brandi.

Mary keeps an eye on a teen witness whose separated parents are too distracted by their own issues to pay attention to their daughter. Elsewhere, Marshall thinks a witness may have betrayed his brother; and Brandi tends to Scott after he's attacked.

Mary must protect a priest who witnessed the murder of a stripper in the Season 3 finale, but she soon learns that the priest is obsessed with saving another woman from a similar fate. Meanwhile, Brandi moves in with Peter, Stan informs a dead witness' daughter about the truth of her father's absence and FBI agent Mike Faber returns.

Mary seeks help from a witness to help clear Brandi of grand theft auto charges in the Season 4 premiere.

Mary helps a paranoid whistle-blower connect with his son.

A witness's romantic entanglements with a suspect fluster Mary, who acts as a go-between for the pair.

Mary counsels a teenage pageant queen who discovers she has been unknowingly living under witness protection.

Mary reluctantly teams up with a remorseless con artist to go after an even bigger criminal.

Mary protects an Amish witness who must contend with culture shock and people who mean her harm.

Mary helps a terminally ill man reconnect with his estranged children.

Mary counsels a divorcing couple in WITSEC in order to keep their family safe. To help her cause, Mary must learn about Hindu tradition in hopes of guiding the pair to work things out.

A man is forced to enter WITSEC because of his twin brother's actions. Mary must protect them both from outside enemies and from each other.

Marshall and Stan contend with a rock-star witness and her controlling mother while Mary is away on a WITSEC-mandated road trip.

Mary protects a deeply remorseful Army veteran and clashes with his military lawyer.

Mary protects a courtesan from a gangster, who's the father of her unborn child. While Mary gets a crash course in childbirth, she must also decide if she can trust the woman.

In the Season 4 finale, Mary's work interferes with Brandi's wedding when Mary is forced to look after her least favorite witnesses.

Mary returns from maternity leave and encounters a new dynamic at the office in the Season 5 premiere. Elsewhere, Mary is assigned to protect a witness who could destroy a powerful secret society.

Mary scrambles to find child care while working on a case in which a hoarder witnessed a violent murder.

Mary and Marshall turn to a Native American detective to help them track down a witness who's hiding on an Indian reservation.

Mary looks after a bigamist, who's hiding from his former employer and his two wives.

Mary helps a drag queen stay out of trouble, while Marshall takes part in an undercover sting.

Mary's fugitive father surfaces, putting Jinx and Brandi in danger and leaving Mary to wonder whom she can trust.

The FBI keeps an eye on Mary after her father goes on the lam seeking vengeance. Mary tries to lose the agents tailing her in order to track her father down herself.

In the series finale, Mary feels torn between a witness and her family, who gather for an unexpected reunion. Elsewhere, big changes occur at the WITSEC office.