Although born in the same year, two childhood friends end up being 13 years apart because they have aged surprisingly at different places (worlds) for some strange reason. Now Eom Hyeon Soo is a 31-year-old woman but Sung Hae Sung is still a 18-year-old boy. Cha Won Yooung is a chef also interested in Eom Hyeon Soo.
Twelve years, after dying in a car accident, Sung Hae Sung suddenly appears alive and well not having aged a day. With the help of his friends and his childhood love Jong Won, Hae Sung sets out to make things right for his family and solve the mysteries surrounding his death and resurrection