
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...
Hae Sung faces the culprit who's been causing a pain in his chest. It turns out to be Tae Hoon's father, Gwon Pyo. Gwon Pyo feels pressured as Hae Sung and Ho Bang are narrowing down on him. Meanwhile, Soo Ji's condition doesn't get better and she still hesitates to tell Young In about it.
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.