A selfless health worker at a psychiatric ward. Moon Sang-tae: Gang-tae’s older brother who has autism.

, follows three central characters: Moon Gang-tae, a selfless psychiatric ward caretaker; his older brother Moon Sang-tae, who has autism; and Ko Moon-young, a successful children’s book author with antisocial personality disorder. The story explores how these three wounded souls collide and eventually help each other find the courage to face their pasts. Themes of Mental Health and Trauma

: Both characters confront deep-seated childhood traumas and family secrets.