The action takes place in the French Caribbean island of Martinique. Francis and Kevin are two teenagers living with their mother, not knowing their fathers. While mum is only taking care of herself and her numerous lovers, Francis deals weed across his High-school and Kevin is a fine secondary school pupil. One day, Francis' dealer forces him to sell crack instead of weed (without him knowing it). One of Kevin's basketball partners will buy this 'black joint', causing many effects on the weak equilibrium of this family...