
S01E01 The Return
Hae Sung and Jung Won are ordinary high school seniors who are getting themselves ready for life after graduation. One day, Hae Sung wakes up to find everything surrounding him different. He was dead for...
Jung Won tells Hae Sung that she never celebrated her birthday ever since Hae Sung died. Hae Sung felt bad after hearing this, so he wants to make her wishes come true. Tae Bok leaves Hae Sung some money in order to appreciate Hae Sung for helping him out. Meanwhile, Ho Bang confesses his feelings to Jin Joo and she ends up accepting his feelings.
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.