During fourth period, high schooler Da-jeong finds her classmate Tae-gyu dead in a classroom and Jeong-hun standing in front of him with blood on his clothes. In order to stop Jeong-hun from becoming the prime suspect, Da-jeong must help him find the real murderer, who is still inside the school building, under 40 minutes before period four ends.

The First Issue is composed of five short films created between 2016 and 2018: "The Designated Driver", "Let's Get Divorced", "Ambivalently Yours", " Sorry", and "The Congressman".

Deals with the vivid everyday life horrors that can be easily encountered in familiar places around subjects like noise between floors, secondhand furniture, mannequins, and social media.

Do Ra-hee, a reporter, is assigned by her boss to report on allegations of sexual assault by Woo Ji-han, an actor. She then investigates the case but uncovers details that may turn it upside down.

Behind-the-scenes production on the 1999 South Korean drama-horror 'Memento Mori.'

Four young women hit the road in search of adventure and escape from their stressful lives.

The ghost of a lesbian high-school girl takes revenge on the people who used to bully her. And another young girl finds her old diary detailing her love and rejection when she was alive.

After being replaced by a younger coworker, TV host Hyo-jeong enrolls in an intensive yoga course that has serious consequences for anyone who fails to follow its rules.

Woo Yeong-min retired from the police force after trying to save his partner and causing his death. After a series of mysterious deaths in the shopping mall in which his uncle has allowed him to work as a security guard prior to its reopening, he must face both his own fear of mirrors and the mystery surrounding the fire that closed down the mall.

One summer night, Cha-kyung dies in a car accident, leaving her boyfriend Hyuk-geun behind in the greatest sorrow. One year since she died, Hyuk-geun is still waiting for Cha-kyung to come back. Denying the reality, Hyuk-geun builds a fantasy in his mind where he and Cha-kyung secretly share everyday life. To wake up Hyuk-geun from Cha-kyung’s illusion, Cha-kyung’s best friend, Gi-ok who was secretly in love with him, puts herself in the same accident with Cha-kyung.