Season 1

J recruits Soo-hyun in a money-laundering scheme that turns her into a scapegoat as he disappears.

Five years after the devastating explosion, the Supernote resurfaces and Soo-hyun turns herself in.

Ki-tae is suspicious of fellow law enforcers and raids an illegal fight club but the situation takes an unexpected turn.

Ki-tae presses Soo-hyun for answers and she admits to helping J create the Supernote.

Soo-hyun reveals that Choi Do-sik was killed after acting on J’s orders, bringing Ki-tae closer to uncovering J’s full scheme.

J successfully swaps the Supernotes for real cash, unaware that imminent danger awaits them.

J learns of a plot against him and reaches out to Soo-hyun, proposing a partnership.

As J and fellow villains prepare for an operation, a standoff erupts.