Swept up in a housing swindle, Biya and Changsik end up as unlikely roommates - but Biya has a secret that doesn't bode well for her tricky co-ed housing situation... When Changsik wakes up one night to find her straddling him, completely naked, she admits to being able to see ghosts - needy, horny ones with very specific bodily needs. With ghosts flocking to their room every night, the two newly met strangers must figure out a way to fend them off!.