To save rent money, Subin and Yujin found a male tenant named Song Juwon, but by the landlord's mistake, a woman Song Juwon had moved in. As their odd lifestyle begins, Yujin falls in love with Juwon and Subin does his best to set them up. Spending time with Juwon, Subin starts getting a strange feeling, though he denies it at first. As Yujin finds out, their friendship of 10 years is put at risk…
