The Third Marriage - Season 1 Episode 55 I'll pay you back, even if I have to throw everything away.
Overview: Se Ran tells Madam Yoon that she did not know Baek Sang Chul was married and that he stalked her. Sang Chul decides to pretend to have Da Jung's dad's phone, but Se Ran soon figures out that he has no idea what's on the phone. Da Jung goes to her dad's old factory, but she passes out on the way. Chairman Wang finds her collapsed on the road, so he takes her to the hospital.