1962 Japanese movie

The first in what would become Toei's most successful, longest-running bosozoku film series. It lasted from 1968 till 1972 through sixteen films.

It had been a year and four months since Mitsuo was last on a movie set. Welcomed back by director Ishizaki and his film crew, Mitsuo is excited to star as the lead in "My Sweetheart". One day, half way through production, he meets his friends from a popular rock group, "The Spiders". Through their discussion regarding the climax scene, they criticize that the script is too grim. In a notion to protect their friend's career, they decide to pay the scriptwriter a little visit.

Kosaka Hiroshi is a small time swindler and the boss of a motorcycle gang in Shinjuku. Living only to make money, he never made the big time until he gets involved with a Yakuza's daughter. But when he gets involved in a scheme to blackmail a Yakuza gang and a land developer, he realizes he's gone way over his head…