2. The male owner (LEE JOON GI) Bai Xicheng is a metal craftsman with his own workshop. He is the best father in the world. He is warm in front of him, a considerate husband, a capable policeman's wife, and a serial killer suspect who hides amazing past events in 14. The heroine (Chae-won Moon) Che Zhiyuan is an accurate criminal police officer in the major crimes unit. She is deeply in love with her husband, a virtuous wife and a gentle mother in private.

If the man changes his identity and wants to hide his past, he must be unwilling to meet acquaintances. Unfortunately, he met an old classmate who is now a reporter, and the person in front of this reporter may be the murderer 18 years ago.

Knowing that the reporter knew his wife, the man invited him to tea and arranged him in the basement.

5. Judging from the conversation between the man and the reporter, the man killed someone 18 years ago, and the reporter bullied the man on campus during school, but the man still didn't kill him.