When the owner of a boarding house (Kim Kwang Kyu) learns on his mother's deathbed that he has a 24-year-old child, he embarks on a mission to find his offspring. He identifies six potential candidates – three men and three women (Dongjun, Min Dohee, Ken, Hyunyoung, High Top, and Kim Sa Eun) – and invites them to live at his boarding house. As these diverse 20-somethings navigate life, love, and relationships under one roof, the house owner attempts to uncover which of them is his long-lost child. This is a 2014 South Korean comedy series exploring family, identity, and unexpected connections.