Kim Min-song

A hapless repairman is called to fix a faulty A/C unit in the Korean Demilitarized Zone.

A niece who lost her parents and grew up in the hands of an uncle who runs a shopping mall faces a new truth after her uncle's sudden death.

Behind a beautiful face hides a cruel nature—Baek Ah-jin, who sees through and manipulates others' hearts. After stepping on the sacrifices of many to reach the top, everything begins to change the moment she arrives there. A woman wearing a mask to escape hell and climb to the highest place. And the story of the Xs being brutally crushed by her.

Three siblings, exhausted by the monotony of day-to-day adulthood, seek to find fulfillment and freedom from their unremarkable lives.