Melrick is an unruly young boy who spends his summer in French Guiana at his grandmother's house to escape his turbulent daily life in Stains, France. At the end of his stay, he plays the drum to revive the memory of his late uncle, Lucas Diomar, who died in tragic circumstances. Despite a wave of murders of young men shaking the headlines, Melrick becomes aware of his place in a family destroyed by irreparable grief.