For a chance at a pardon, a ninja assassin joins other condemned criminals on a journey to a mysterious island to retrieve an elixir of immortality.
Nishi is a loser who has a crush on his childhood girlfriend. After an encounter with the Japanese mafia, he journeys to heaven and back, and ends up trapped in an even more unlikely place.
A peaceful boatman once known as the Black Samurai is pulled back into conflict when he takes a little girl with mysterious powers under his wing.
