As the investigation deepens, Yi Yeon uncovers troubling details that suggest Woo Gyeom's past is more complicated than anyone thought. Han Joon, desperate to save his daughter, turns to Woo Gyeom for help, but they must navigate a dangerous path fraught with ethical dilemmas and mounting risks.

Woo Gyeom's troubled past comes to light, revealing dark secrets that have driven his actions. As the final confrontation looms, he makes a bold move to confront those who wronged him. In the aftermath, Han Joon is left to grapple with the consequences of Woo Gyeom's actions and the cure's future.