Geun-seong, a streamer who aspires to achieve great popularity, meets Jongman, a famous comedian and YouTuber, at a high school reunion. Fueled by alcohol, he confidently proposes a collaboration, hoping to leverage Jong-man's fame to boost his own broadcast. However, Jong-man rejects the offer, leaving Geun-seong feeling humiliated. In his drunken state, Geun-seong exposed the school violence he suffered at Jong-man's hands on his own broadcast. When he wakes up sober, he discovers that the exposé video has become a viral comedy video instead!
Moon-jung is a caregiver who has a son in middle school. After getting divorced, she can't bear to bring him to her house, a plastic greenhouse she has converted into a home. She strives to raise the necessary funds to move into a real home for her and her son.
Following a brutal murder case, the police are baffled to find out that the assailant, whose body was found on the scene with the victim, had already been dead for three months. Meanwhile, journalist Jin-hee sets up a live interview with an anonymous caller claiming he is the true killer behind the mysterious murder. When the man announces three more murders will occur in the hands of the undead, Jin-hee must face the sinister forces beyond understanding.
The Halloween festivities in Itaewon are interrupted by a murder in a local pub. One woman remembers being at the same pub, but is not sure why.