"Jeongyeon’s quiet life with his boyfriend Hyunjin takes an unexpected turn when his mother says she's getting remarried and introduces him to his future stepfather and stepbrother, Seonwoo. Gradually, Jeongyeon begins to experience the unfamiliar but comforting feeling of having a family, something he thought he'd never experience. However, one day, a drunken Seonwoo notices a scar on Jeongyeon’s shoulder, and what begins as a casual question soon unravels the truth behind a painful past...