Twin brothers Woo-sin and Soo-hyun lose their father in a murder case. Twenty-two years later, the brothers seek to clear their father's name.
Woo Sin enters Kwon's mansion in search of Adamas. Su Hyeon begins to question his father's death.
Woo Sin tries to lure Tae Sung into his plan while Soo Hyun meets with a witness.
Woosin's plan is on the verge of collapsing and Soohyun's witness is suddenly found dead.
Woo-sin lights a fire in the mansion to find Adamas and Su-hyeon receives a mysterious text message.
Woo-sin plans to steal Adamas, and Su-hyeon interrogates the person who followed him.
Woosin searches for the disappeared Adamas and Soohyun and Seohee are ambushed by Team A.
Woo Sin asks Hye Soo for help to keep Mrs. Oh silent, and Soo Hyun and Seo Hee find out who Team A is.
Woo Sin writes a novel about Soon Yi's dead son and Soo Hyun tries to secure his father's autopsy report.
Woo Shin took the 80th anniversary of the Haesong group as a D-day, when Adamas was re-released. They move to be invited to the ceremony. Hye Soo wants to find out who Woo-shin's assistant is. Soo Hyun and Seo Hee escape from the inside of the special edition and head to Team A's main camp, ARES.
Team A escapes Suhyeon's pursuit and succeeds in kidnapping Seohee, and Suhyeon sets out to rescue Seohee with a special copy. General Choi points out Kim Yo-won as the person who took the missing satellite phone, but Woo-shin is not certain that Kim Yo-won is.
Woo Shin carries out his plan to steal Adamas. Soo Hyun receives an invitation and heads to the hall.
Woo Sin tries to understand Kwon's true intentions, and Su Hyeon makes an all-out effort to save Seo Hee.
Su Hyeon meets Lee Chang Woo and learns the truth. Woo Sin looks into the Kangchun prison incident.
Woo Sin becomes a hostage of Team A. Su Hyeon and Seo Hee go to save Woo Sin.
Woo Sin searches for the missing figure and Su Hyeon follows the clues left by Team A.
Suh-yeon bumps into Jung-yeong on Team A's black site. Woo-sin and Seo-hui run to Suh-yeon's rescue.
