Sun-woo and Se-ra, who were looking into what happened at the time of the mother's case, find the former driver of Vice Chairman Kang. They then find out the existence of a child that Kang has long sponsored. Meanwhile, Vice Chairman Kang decides to do something when he saw that Sun-woo is gradually narrowing down toward him, and Byun, who visited the police station a few days later, testifies that the kidnapping was Sun-woo's own play.
