Movie Story : In a near-future Seoul choked by pollution and sky-high rents, Shin-dong drifts through the same dull routine until his landlord abruptly orders him to vacate. With no money to move, he takes a friend's advice to sublet part of his home, hoping the arrangement will protect him from eviction. He places a rental ad, and when a peculiar newlywed couple arrives wanting to live in the bathroom, he impulsively lets them move in.