Kazuko Yamase is a 23-year-old, broken-hearted freeter. One day, she sees a knitted teddy bear that really appeals to her. She decides to buy it. Later, the knitted teddy bear suddenly speaks! Within the teddy bear, Yasuo Amano's spirit lives. He is the person who knitted the teddy bear and he was also detective. Kazuko then becomes involved in a case with Yasuo and helps to solve the case.
Kenta Sakaguchi was a yakuza member and he spent 13 years in prison for killing a rival yakuza boss. Hidehiko Hirohashi was a secretary for a politician. He took the blame for the politician’s act. Isao Okawara was a self-defense official, but he took in arms against the government. Kenta Sakaguchi, Hidehiko Hirohashi and Isao Okawara gather under retired ex-detective Gonzaemon Mukai. Kenta, Hidehiko and Isao get even with people who betrayed and deceived them.
Secret agent Rachel Torres is called into action. Together with a team of secret agents working for a freelance shadow organization she takes on the world of crime around them.
Tracker, a former Mafia boss, having barely avoided an early retirement in a shallow grave, now operates a seedy video store. Struggling to stay afloat in the Internet age, Tracker runs his shop as a front for a host of petty crimes, from fencing jewelry to peddling dope cut with Drano and desperation, all in hopes of returning to power.