In 1970s South Korea, follow two men on opposite sides of power — one driven by ambition, the other by justice. As their worlds collide, greed, loyalty, and survival intertwine in a battle that will shape a nation.
Eun-soo is a housewife, who struggles to pay for her husband's medical expenses. He is terminally ill. Eun-soo becomes entangled in a bag of drugs with a teacher named Yi-kyeong. He is a mysterious figure. Eun-soo and Yi-kyeong are chased by veteran detective Tae-gu.
A prominent female forensic investigator suffers from antisocial personality disorder and the process in which the shadow of the father she killed threatens her honor and life.