Sayaka works at a office. She's not very good at her job or with love. One night, she finds a man, Itsuki, collapsed in front of her home. She takes him inside and they begin to live together. Itsuki teaches Sayaka about cooking wild herbs and collecting wild herbs, but he has a secret.

Oh Tae Shik, rather, Oh Kyeon Shik, who has been preparing to become a detective while working a different job, is a private establishment security guard who earns 880,000 won in Daechi Dong, Gangnam.

Thanks to his dream of becoming a detective, he is like a bulldozer who does not know how to give up. He always watched CSI and Detective Columbo's movies, analyzing their traits and building his dream of becoming a great detective. He manages to pass the written test, but he doesn't meet the hearing baseline and fails.

Then one day, coincidence happens and a fugitive on the run gets caught by Kyeon Shik when he throws a bottle of water he just bought at the runner. Kyeon Shik becomes a hero thanks to this.

He has only one wish and that is to be a detective. The major who doesn't know about him promise him a spot on the team. However, the detective team, who are just about to get their investigative independence, are worried that Kyeon Shik will cause trouble and they finally come up with an idea!

The film starts with a brief recollection of the "King of Killers", a dangerous assassin that has been operating in most of southeast Asia. The King of Killers has no known accomplices or colleagues, is not affiliated with any government, religious, or criminal organization, and to this date their true identity has still remained secret. The King of Killers is believed to be responsible for 6 murders in the past year alone, with only one thing connecting each of the assassinations - all the victims were criminals and deserved to die. Then the movie quickly moves on to the King of Killers' most recent killing, the well-publicized assassination of a notorious ex-yakuza crime boss. Working swiftly, the King of Killers is able to overcome the criminal's defense systems, quickly incapacitating the boss's bodyguards and isolating his target. In a fit of desperation, the crime boss promises to triple whatever fee the King of Killers is being paid to kill him, then goes on to warn the vigilante that there is a massive revenge fund set to avenge his killing. Ignoring his pleas, the King of Killers silently kills the crime boss.

Hyeong-do, the head of a small printing company, hears that the kid who stole his motorcycle died in a traffic accident. Seong-cheul is a convicted pedophile who starts driving a cab after his salary from a construction site went unpaid. The uneventful daily lives of the two men in the depressing city are interrupted by a wild boar sighting. The description of a heartless city life and the shocking ending deliver a chilling blow.

Usobuki Tadashi is a mysterious man in a black suit who will perform without fail a request to have someone killed. His targets unequivocally die from illness, suicide, accident, etc., but there is never proof of murder. The investigation is proving difficult and the police detectives are being led around by Usobuki's power to manipulate people. However, a female detective, Tada Tomoko, seems to be the only one Usobuki is unable to command.

A comical drama about a man struggling to leave his hometown and starts a new life as he reunited with his old friends and got caught up in unexpected events.

Would you still dare to dream when you're 80 years old? On average, they are 81 years old, but with dreams only 18-year-old and they dare to dream. They would tell you, through life-long experience, 'Miracles do happen as long as you continue to dream!' Among these 17 'Grandriders', 2 have gone through cancers, 4 need hearing aids, 5 suffer from high blood pressure and 8 have coronary diseases. And every one of them has symptoms of joint degeneration. The challenges officially begin when they decide to straddle on their scooters: Objections from family members, taking driver's license at old age, aging bodies and bodily functions and every possible weather and road conditions along that 1178-kilometer long journey.