Crash Course in Romance S01E15 - Chapter 15: The Result of Chance and Inevitability

Chi-yeol finds out where his assistant lives and discovers everything upon entering his apartment. His assistant feels trapped when he overhears that Haeng-seon's daughter is showing signs of getting better and decides his only way out is to kill her. He is stopped in the act and Chi-yeol chases him up to the roof where he confesses everything before jumping to his death. Haeng-seon's daughter regains consciousness and is undergoing rehabilitation. Her best friend finally gains courage to tells her he's in love with her, but she does not give him definitive answer for now.