Lin Wan-Zhen, a volunteer working at a life hotline association, picks up a call from a suicidal man. In her anxiety, she goes help him on her own but a strong guy almost rapes her on the way. Luckily she’s saved by a man who shows up in time. Wan-Zhen picks up the business card left by the man on spot and learns he’s a salesman in an ad company and he’s named Hong Da-Chuan.