On the cold, lonely final night of the year, Sohee lies in her drafty rooftop room, wishing for an end to her endless suffering. Instead, an enigmatic man named Kye Wonho walks through her door with an unexpected claim: he’s bought out every last cent of her massive loan shark debt. Cold, ruthless, and terrifyingly efficient, Wonho leaves her with a chilling warning. Escape isn’t an option, because he always collects - even if it means selling a corpse.