Watch Woman Mobsters (1974) Official Trailer

Bank robbers steal 30 million yen and try to elude the cops and escape with the cash. Of the three, only one manages to avoid capture. Yoko, a female accomplice, is tossed in a women's prison where she meets Yuki, and the two of them manage to escape. Their plan is meet up with the robber who avoided capture, get ahold of the cash, and get for away from the big city.