Chloé is a young gendarme who has just arrived in Guyana. Sent to the Cayenne police, she finds herself teaming up with Dialio, a Guyanese police officer with a tormented personality. Despite their mutual antipathy, the two teammates are quickly led to investigate the savage murder of a couple of metropolitan. The urgency is all the greater to find the criminal since the son of the victims, a young boy of 9, has disappeared.