Runtime: Wed. & Thu. 22:00 (35 minutes each / 2 episodes per day)
Country: South Korea
Sung Hae-Sung (Yeo Jin-Goo) disappears after a mysterious accident. 12 years later, he suddenly appears again. He is now 31-years-old, but he still has the appearance and personality of when he was 19. Sung Hae-Sung gets involved in a romantic relationship with his childhood friend Jung Jung-Won (Lee Yeon-Hee) who is now 31-years-old.