
Nine years after Season 1, Baek Kitae stands at the height of his power, while Jang Geonyoung is preparing to strike back. Meanwhile, Baek Kihyun is pursuing a path to a different kind of power than his brother. Their ambitions run rampant, creating an irreversible rift that threatens to upend everything.

In 1979, Kitae is enjoying his power as deputy director of the KCIA when an unexpected event occurs.

Kitae has an unexpected encounter with Kihyun, and Yejin, now a prosecutor, joins the investigation.