In one night, in one room, three strangers–a thief, a retired policeman, and a delivery guy–are all present during the murder of the room's occupant. As the trio tries to figure out this bizarre situation, the stakes are raised when they discover a huge pile of cash. They soon realize that the only way to get out alive is to unravel this mystery. What initially seems like a coincidence, turns out to be destined from the beginning.

Hino Miharu, a dull man who has been working part-time at the convenience store Pawson Nerima Kitaguchi for three years, suddenly kidnapped by a man wearing a black Santa suit, saying, "It's a job offer! I'll be counting on you from today". When he wake up, there is a mysterious company in the North Pole, Santa Claus House. Miharu starts working as a black Santa who distributes presents to children around the world with his colleague with a strong personality, but this company has a secret.

Adapted from the manga "Black Night Parade" (ブラックナイトパレード) by Nakamura Hikaru (中村光).

Sang Ho is an ordinary high school student. His dream is to enter the military academy under the influence of his father who is an army colonel. As entering high school, he became friends with Jae Gu, Chang Bae, Kyung Chul, Hong Kyu and Sang Sik. They grouped a soccer team called `Tiger`, building up friendship by playing soccer.

Sang Ho and his friends ran into a group fight with seniors, these incidents made everybody in school to misunderstand them as they were a serious group of gangster. When Sang Ho becomes close with a girl whose boyfriend is a boss of another school`s gangster group, things are going worse.

Although Gangster High deals with high school gangs, its depiction of violence is no less fierce than any Jopokyeonghwa, Korean gangster films. However, the film never romanticizes violence. Sang Ho is not romantic at all, and he turns into a cruel fighter when violent actions are unavoidable. As in his previous film 'A Whispering Corridor', a horror film of fearful, nightmarish girlhood, director Park depicts reckless teenagers living in the world without compassion through cruel, cold eyes.

Seoul, 1910. HONG Jin-ho, who will become Joseon's first detective, travels around solving trivial family disputes for pocket money as a private detective. However, he is determined to go to America someday and is saving up for the trip. Then one night, Gwang-soo, a medical physician in training, discovers a corpse in the woods and secretly takes it to practice dissecting. But the corpse turns out to be the son of Seoul's most powerful man. While planning to flee in the middle of the night and afraid of murder accusations, Gwang-soo meets Jin-ho, and asks him to find the killer. When another corpse turns up in the woods, murdered in the same way as the first victim, Jin-ho and Gwang-soo use a piece of cloth they find in the victim's hand as the lead they need to bring them one step closer to the real killer.

Miao Miao was soaked in pain after suffering grave physical and mental hurt. Her life became a lifeless backwater. All she wanted was to live in peace and quiet, yet the murderer did not let her go, and even laid his evil hands over the whole family. Seeing her desperate mother, helpless brother and the cruel killing of her father right before her eyes, this weak girl wiped her tears and decided to fight back. But why did her efforts to save the family end in vain? She racked her brains, but could never change the results. As destiny played tricks upon her repeatedly, she was in profound agony.

Go-nee has lost his entire savings, saved over a period of 5 years, at a gambling joint. While Go-nee drinks heavily, determined to throw away his life, he discovers that he was swindled by professional fraudulent gamblers, so-called ‘slickers’. To regain his sister’s money, Go-nee begins training to be the best slicker under a master of gambling, Mr. PYEONG. Go-nee becomes famous, wandering about different gambling places throughout the country with PYEONG. Moreover, Madam JUNG who has never gotten along with Mr. PYEONG, begins to show interest in Go-nee…

Dr. KIM Sang-chul who is a world renowned genius medical scientist is killed by himself and his head is cut and missing in his funeral. While a dispatch rider, Hong-je, delivers Dr. KIM?s head, he is kidnapped by Baek-jung and his elder sister, Hong-joo goes head to head with him to save Hong-je!! As far as she chases him, the forces into the background of Dr. KIM?s head are revealed and Hong-joo is in danger. Can a reckless but loyal female journalist save her bro and take the scoop what she wants so eagerly?

A man looking for the release of a long-time prisoner takes a police officer, his daughter, and a group of strangers hostage.