Without knowing it, Johnny, a young rock musician, finds himself involved with a Parisian drug gang. Realising he is being set up, he throws the drugs into the Seine and takes refuge in the Camargue with his family and his fiancée, Gigi. Meanwhile, the dealers are hot on their heels.

Johnny, jeune musicien rêveur, a maille à partir avec un gang de revendeurs de drogue.