At 39, Gu Gwang Soo is a disgraced former TV producer, still reeling from a scandal involving a live broadcast and an indie band—and haunted by his past with ex-girlfriend Joo Da In, now a single mom.

At 29, Kang Jin Gu, a charming tour planner, gets rejected by his crush Ma Se Young when she confesses feelings for someone else.

At 19, Kang Min Gu, a fiery judo athlete chasing a scholarship, believes he's meant to be with the enigmatic Han Soo Ah—despite fierce competition.

At just 9, Kang Dong Gu, a once-famous child actor, faces rejection in both his career and love life after losing a role and breaking up with girlfriend Jang Baek Ji.