BY4M Studio

Hyun-su and Soo-jin have just gotten married. Seemingly out of nowhere, he starts talking in his sleep. 'Someone’s inside.' From that night forward, whenever he falls asleep, he transforms into someone else with no recollection of 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...

Even in the harshest environments, firefighters must focus on extinguishing fires and rescuing everyone there. At 3:47 AM on March 4, 2001, the 119 emergency call center receives a phone call about a fire that has broken out in the Hongje-dong neighborhood. Firefighters, including newcomer Cheol-woong, rush to the scene.

A story about the love and friendship that takes place in an era where a man and a woman communicate through radio by chance.

Ju-young is a young woman with a hearing impediment who decides to investigate her sister's inexplicable disappearance, last seen in her apartment. Feeling more and more cornered, Ju-young begins to hear strange sounds and sense an evil presence in the apartment.

Cheol-su leads a double life—mild-mannered office worker by day, professional cuddler "Snuggler" by night. His quiet routine unravels when his overachieving boss Su-ah unknowingly books a session with him. In the dark, comfort sparks between strangers—until their identities are revealed and workplace chaos ensues. Then comes the scandal. A celebrity client sparks a media frenzy, falsely linking "Snuggler" to illicit activity. Now, with their secrets exposed and their futures uncertain, Cheol-su and Su-ah are left with an important decision—whether to risk everything for a chance at something real.

Eighteen-year-old Ha-min suddenly begins to see the number "365" every time he eats his mother's homemade meal—and the number drops with each bite. Believing it to be a countdown to his mother's death, he distances himself from her and her cooking. Years later, still haunted by the number, Ha-min lives cautiously, preparing for the worst. Just as he begins to find peace with his girlfriend Ryeo-eun, an unexpected truth turns his world upside down…