A cop chasing after a female cop killer, but then gets caught in a dark web of departmental corruption.

Downtown Los Angeles. It is a shadowy town filled with drug addicts, homeless people, and others who have lost their homes. Jiro, tired of his killing spree, is also addicted to drugs and drifts through his days like a corpse. Jiro's foggy mind begins to flash with blood-soaked reminiscences...

Jiro's only target is a mysterious assassin. Faced with an enemy whose true identity is unknown, Yuki decides to become a decoy herself. The assassin relentlessly pursues Yuki, and Jiro also pursues the assassin. Killing after killing, they end up at the destination, where an unexpected person is waiting for them.

Jiro has avenged the murder of his mentor and stands alone as an assassin. He finds a new agent and makes a contract with him. However, the ghost of someone whom he once killed, appears...

Jiro is a rookie hitman. One day, his mentor dies a brutal death. Furthermore, the execution scene was filmed and leaked as a murder video. Jiro is furious and decides to take revenge. He sets out to track down the mastermind and steal the original video.

Jiro, a freelancer working at a delivery pizza shop, witnesses the brilliant killing techniques of professional assassin Nejime at a gangster's office where he makes deliveries. Jiro rescues the wounded Nejime and volunteers to become his apprentice. From that day on, Jiro learns the art of killing in a dog eats dog world.

Two Chinese girls become prostitutes in Tokyo.