A young female samurai comes upon a dying messenger and agrees to deliver the scroll he was carrying to its destination. However, unbeknownst to her, the scroll is actually a formula for a new kind of gunpowder. An evil clan that is planning to overthrow the Emperor is also after the scroll, and they try to take it from her.

A detective tries to outwit a jewel thief who has kidnapped the daughter of a jeweler to get to an exquisite diamond.

Police investigators investigate the link between a serial killer's machinations and a teenage boy who committed suicide.

Though he has come from a rough background on the streets, Muraki quickly rises through the ranks by means of his well-honed blackmailing instincts. Desperate to keep rolling with his freewheeling lifestyle, Muraki sees his luck begin to crumble when he sets his sights on the business partners of a powerful gang boss.