After a heroic death, Kim Ja Hong navigates the afterlife with the help of three guardians Kang Rim, Haewonmaek, and Deok Choon. All deceased must meet the gods of hell and face trials of murder, indolence, deceit, injustice, betrayal, violence, and filial impiety over a period of 49 days. However, their plans of getting him through hell become even more challenging as a vengeful spirit exist and wreaks havoc on the real world. With the aid of his guardians and motivated by the idea of meeting his mother once more, Ja Hong and his guardians face obstacles and find reasons by journeying through his emotional past in order to clear him of any accusations and prove that he has lived a noble life.
In 1987, university student & pro-democracy movement member Park Jong-chul is captured by the police. He is then tortured to death. The police and government try to cover up the case of Park Jong-Chul, but the media and university students try to reveal the truth.
Detective Han Do Kyung, who for years has been secretly doing dirty work for the corrupt mayor Park Sung Bae, is now pressured by a ruthless prosecutor Kim Cha In to cooperate in an investigation against the mayor. Feeling trapped, Han persuades his young partner Moon Sun Mo to take over his work for the mayor, but things start to get tangled in unpredictable ways. As things are getting worse, only the evilest survive in this dog-eat-dog world.
Byun Jae Wook is a short-tempered prosecutor with a propensity for violence, famous for his tough investigations and who only pursues the truth. When a suspect under his interrogation is found dead, Jae Wook is arrested, falsely accused of murder and imprisoned for 15 years .
While in jail, he plans out his revenge mission and finds the most talented criminals in the ward to help him out. Five years later, Jae Wook meets good-looking, brilliant con artist and schemer Chi Won in prison.
Feeling he could carry out his plan outside of prison, Jae Wook gets Chi Won acquitted, using his knowledge as a former prosecutor. Jae Wook’s ragtag team of ex-cons will now enact a revenge plan against the organization that framed him.
While driving home for his daughter's birthday, a man gets trapped in a collapsed tunnel and struggles to survive with just two bottles of water, a birthday cake, and a cell phone.
After an international auto theft sting, a dimwitted detective Do Chul is treated at a nightclub where he meets Tae Oh, the tyrannical heir to an untouchable mega-corporation, whose rude behavior rubs Do Chul the wrong way.
One day, a truck driver that helped Do Chul with a case gets beaten and humiliated by Tae Oh in front of his 9-year-old son in a protest to get his overdue wages. The son finds Do Chul’s business card and calls for help due to the father’s near-death coma in the hospital. Knowing that Tae-oh will do whatever it takes to sabotage the people in his way, Do Chul decides to deliver the spoiled heir with some hard heavy blows of Justice!
During the Japanese occupation, an agent tasked to assemble a group to assassinate a Japanese commander and a Korean collaborator by extricating three prisoners from Shanghai. However, the Japanese are tipped off, and a notorious hired gun is sent to take out the assassins first.