Mika Hino is a sharp-shooting investigator that belongs to the infamous "Gator Branch.” When an executive board member of a trading company is accused of being involved in a bribery, Mika is assigned to keep watch over him. A few nights later her target is found dead outside of his 30 floor office building. With an apparent suicide note as evidence, local police conclude the case as a suicide. Mika’s assignment may have ended in failure, but her mission has just begun...

A woman runs a “mistress service” and interviews young women for “dates” with men. Various couples get together but someone is following and watching them.

Killers Ken and Joji undertake the killing of a man named Sakai. He utters some interesting last words before being shot dead, leading Ken and Joji on a trail of death and destruction.