Idrissa is a rebellious little boy who drops out of school and joins a gang of hooligans that live on the beaches of Dakar. He gradually becomes detached from his family and adopted by his new friends who initiate him into the art of theft and the pleasures of yamba, marijuana.
A man sets off and leaves his son and a trunk containing all his possessions in the care of his dearest friend. The son becomes a man but his guardian never mentions the treasure he is also guarding. A dispute occurs and a local sage will propose a test of resistance.
