The day Sang-seok's friend and Mi-so's boyfriend Jeong-woo tries to kill himself, Sang-seok can't take it because he is worried about Mi-so. He spends the night with her because she's doesn't feel right and stops contacting Jeong-woo from that day on. A while later Sang-seok runs into Jeong-woo with Mi-so by his side and can't help but feel jealousy and betrayal. He realizes himself and Mi-so have been roaming around... see more