Two vastly different female detectives are thrown together to solve the murder of a local man in the sleepy seaside hamlet of Deadloch.
On the eve of the Deadloch Winter Feastival, the body of local football club coach Trent Latham is found on the beach. Local Senior Sergeant Dulcie Collins takes charge but soon Detective Eddie Redcliffe arrives from Darwin to lead the investigation causing friction.
In an effort to link a previously unsolved death, Dulcie exhumes the former mayor's body and raises the ire of the community. The boat of Sam O'Dwyer, who disappeared years ago, is set on fire, while Eddie chases a hooded figure through the bush.
As the Deadloch Feastival program continues despite two murders, the body of another suspect is found on the shore of the lake. Despite the victim being dead for five years, Dulcie suspects that it's linked.
While Dulcie and Cath's relationship hits a very rough patch, new suspects are named and dismissed, but it's Eddie's slip up at a press conference that really makes an impact.
In the aftermath of Eddie's press conference, Deadloch is in a state of panic and the killer strikes again; taking the count up to five. Eddie and Dulcie jump from suspect to suspect as relationships crumble around them.
When the most compelling suspect ends up being a close friend of Dulcie's – it creates conflict in multiple relationships. Meanwhile the evidence is piling up, and more bodies are emerging.
Men start fleeing the town as more bodies are recovered and a shocking pact is revealed.
The killer's spree continues and with all the town's men in danger Commissioner Hastings is chasing the wrong lead. Dulcie, Eddie, Sven and Abby continue to investigate the murders in secret, and they finally work out who the killer is.
Dulcie, Cath and Eddie arrive in Darwin to investigate Bushy's death, but are quickly thrown onto a new case in Barra Creek.
More body parts are found in the river as Dulcie and Eddie begin questioning the Darrell family and pay an unexpected visit to Land of Crocs.
At the Big Barra Bashnanza, Dulcie and Eddie question Jason Wade and his boys, while the river is searched for a weapon.
With Frank in custody, Dulcie and Eddie are out gathering evidence - but when they veer off track and abandon their car, they risk getting lost.
Internal Investigators are in town to speak with the detectives, and Dulcie ends up in the middle of a very dangerous situation.
Dulcie finds herself in the centre of an illegal operation, and inches closer to the truth at the heart of the case. While at Don's funeral, tensions in the Darrell family erupt as the rains begin to fall.
