A pair of black-robed thieves who robbed many wealthy merchants in Edo one after another. One of them is a young woman who is called "Aoi no Kozo" because she always takes off her skin to show the tattoo on her back. The target of the robbers was the Kogi, and in particular, the big stores that were under the control of Hotta Bizen. Itami Hanzo, a Doshin known as "Kamisori Hanzo" discovers when he tracks down the Aoi no Kozo! What is the truth?!

When Toru Sagara (Yujiro Ishihara) returns home from a foreign cargo route, he proposes to his beloved girlfriend Akiko (Ruriko Asaoka). She joyously agrees, promising a life together. On the day they were to be joined in matrimony, Akiko suddenly goes missing. Toru waits hours for her to show, but he is only greeted by the darkness of night. Four years later, his fiancée turns up at a night club in Yokohama with another man.

Former policeman Matsushita Hiroshi is a professional marksman shootist. When his keen eye catches his target in the dry urban darkness, the hard, breathless action begins.