In a world where ninjas dream of being rock stars and rock stars dream of being ninjas, a martial arts rock band goes up against a band of motorcycle ninjas who have tightened their grip on Florida's narcotics trade.

It is the end of the judicial control of Thierry Chartier, 18 years old. He was a virgin in Heuzecourt, a small village in the north of France populated by farmers and retired miners, where his paternal grandmother lived. He earns his living by helping out in the fields, he helps his grandmother, and would like to take over the farm. But, following an incident, he is condemned to seven years of criminal imprisonment, for complicity of murder, Thierry leaves on parole with an English diploma and a tattoo. But above all a guilt forever anchored. It is now up to him to rebuild his life.