Kim Seo-ha

Yu-na, a level-headed and rational insurance claim adjuster, investigates a questionable death by falling with suspicions of suicide. During her investigation, she meets Soon-kyu, the deceased's elusive guardian. As Yu-na probes further, she begins to question whether Soon-kyu is a mentor or a conman, and her carefully guarded inner world starts to shake.

When Sun-oh's abusive father dies while on duty as a firefighter, he feels a sense of liberation. As he dreams of a new life, his mother and sister seem to have forgotten the violence they endured. Confused, Sun-oh falls in with delinquent friends and starts his first relationship hoping to leave his father behind. However, at his father's memorial ceremony, Sun-oh shatters as his mother and sister speak of forgiveness.

Hwa-young is an 18-year-old student living alone. Her friends call her "mom" and use her house as their place to hang out, but don't really include her in their clique. Hwa-young pays particular attention to one of the friends, Mi-jeong.

One day, three siblings receive a postcard from their mother who left them a long time ago. But all it says is "I miss you." Three siblings are disconcerted by the sudden contact, but eventually, they go on a trip to meet their mother.

Gi-tae, who continuously failed on his exam, returns to his hometown for the first time in ten years. He tried all different manual labors, but his debt-ridden life never seems to end. Soon Later, he starts working at a worn-out theater and meets Oh, the sign painter. Oh is never sober and always blunt, accordingly difficult to figure out. But Gi-tae doesn’t feel awkward around him.