Receptionist
Hyun-su and Soo-jin are newlyweds. Seemingly out of nowhere, he starts talking in his sleep. "Someone's inside." From that night on, whenever he falls asleep, he transforms into someone else with no recollection of what happened the night before. Soo-jin is overwhelmed with anxiety that he'd hurt her family while she sleeps and can barely sleep a wink because of this irrational fear. Despite sleep treatment, Hyun-su's sleepwalking only intensifies, and she begins to feel that her unborn child may be in danger.
Jin-joo
'Gi-seong' the head of the children's education sales office is the head of the 'bean flour family' with his accident-prone father, his adolescent daughter, and his ex-wife who re-married his classmate. His only dream is to be reunited with his wife and live in a large apartment with his family. 'Il-yeong' a bank employee says the timid man 'Gi-seong' is cute, makes his life a little different, and perhaps 'Gi-seong' can get his family back. Nerdy but charming, the cute guy's family rekindling project begins!
