Joo-yeon becomes a last-minute stand-in on the 19+ dating reality show "The Sharehouse You Have To Do"! But wait—her bedmate changes every day, and one skinship session a day is mandatory? Inside the sharehouse she nervously enters, her ex-boyfriend In-ho, the sweet Jae-hee, and the sexy Se-heon are all waiting for her. On top of that, their exes move in one by one... The cast members use the dizzying rules to get closer to her. Romance vs. the prize money—Joo-yeon's nail-biting choice between instinct and reason begins now. [STORYMATRIX PTE.LTD]