An aspiring children's book writer agrees to write erotic web novels to pay her car repair debt – with unintended consequences for her coworker.

Su-yeon, a cellist in an orchestra led by her fiancé and conductor Sung-jin, disappears one day, leaving behind only a video recording. Sung-jin is devasted over the loss of Su-yeon, but feels a strong attraction to Mi-ju, a cellist who fills in for his fiancée. Then one rainy night, Sung-jin and Mi-ju get swept away by their mutual desires for each other and commit an unforgivable act at Su-yeon's house.

The crew of a horror web series travels to an abandoned asylum for a live broadcast, but they encounter much more than expected as they move deeper inside the nightmarish old building.

After people in his town start turning up dead, a grumpy landlord is visited by a man who recounts an unsolved serial murder case from 30 years ago that may hold the clue to what is happening now.

After waking up with mysterious wounds on his hands, a champion fighter finds himself in an otherworldly battle against evil forces that wreak havoc in the human world.

A mysterious informant calls a broadcast news anchor to request that the anchor report on the informant’s inevitable death.

"Triangle," a three-member co-ed K-pop group that once dominated the music scene, disbanded overnight after being caught up in an unexpected scandal. Twenty years later, leader Hyunwoo receives an offer to perform on stage as "Triangle" for a chance to make a comeback and sets out to find the other members and seize the opportunity. "Even if war breaks out, we're going on stage today no matter what!" Hyunwoo, who is now a struggling TV personality, Domi, who is married into a rich family, and Sanggu, who is drowning in debt from his solo album releases, somehow reunite and head to the concert hall. But the situation spirals out of control when YGP, the CEO of their former agency with whom they share a bitter history, and Seonggon, the "Prince of Ballad" and former rival of "Triangle," also appear…