 The two men didn't believe at first, but find themselves real people at different times.Geon-woo is attracted to Ji-hwan's fiancee, Yoon-jung, as she is destined to meet So-eun (im Su-jeong), who looks surprisingly similar to her.One day, while investigating an unsolved murder case in the 1980s, Gunwoo finds a record of Yun-jung being killed 30 years ago and begins digging into the case.