Lee Sang Woo started to cry in front of Han Hye Jin who had an affair.
On the 10th episode SBS Monday/Tuesday miniseries "One Warm Word" (script Ha Myung Hee, director Choi Young Hoon) broadcast on January 7th, Kim Sung Soo (played by Lee Sang Woo) was in pain about Na Eun Jin (played by Han Hye Jin)'s affair.
On this day, Kim Sung Soo meet's Eun Jin's affair Yoo Jae Hak (played by Ji Jin Hee) and drinks at an outdoor bar and starts to throw a fit as Eun Jin goes to the police officer for Sung Soo.
Kim Sung Soo was drunk and was tumbling but refused Eun Jin saying, "Don't touch me" and was curious about his relationship with Yoo Jae Hak saying, "Did you sleep with him? I hope you didn't. Then it'll be less hard."
At this, Eun Jin answered, "I didn't sleep with him" and he said, "Great. You can lie too. I don't go with you" and said to Eun Jin who was walking away from him crying saying, "How could you.. to me.. don't cry."
At this, Sung Soo finally fell on the floor and said, "It hurts so much. This is tough. What did I do wrong. I'm not saying I was right. But how was I?" and cried. He then shouted Eun Jin's name and said, "Can we live together?" and made people feel pitiful.
Meanwhile, on this episode, Eun Jin's affair was told to others and was criticized.