The Third Marriage - Season 1 Episode 78 I'll pay you back, even if I have to throw everything away.
Overview: After learning that Song Yi isn't her child, Da Jung charges after Se Ran to kill her. However, Yo Han stops her and calms her down. With a new sense of revenge and Je Guk's approval, Da Jung reports Se Ran to the police. Meanwhile, Da Jung exposes what Se Ran did in front of the whole family.