A week before her wedding, Agathe Plichard, a pretty young woman of mixed race, is found drowned in the Creuse river. The police treat the case as an accident but her fiancé, Félix Bricourt, is convinced she was murdered. He decides to investigate by himself, despite the wishes of his family, a wealthy dynasty of the region. Won over by Félix's resolve, police inspector Carole Levasseur also decides to find out the truth. The murder of an independent journalist changes the course of the investigation, stirring up the past and unveiling the forgotten "Children of the Creuse" affair.

As a rowdy team of detectives clashes with their disciplined new boss, they must catch a vicious band of robbers who are wreaking havoc on their city.

Near future : After the Crisis, the people of Europe have risen. Civil wars create havoc everywhere on the old continent. After six years of fighting, Europe is split into two. The insurgents have taken over the South. The North uses Private Military Companies. Their mission : To spread the Blue Turtle into the south territory. This synthetic drug creates a sudden addiction. The South drowns in chaos and madness. The Private military Companies use that time behind enemy lines to set up nuke trafficking. Their suppliers are lawless mercenaries who roam into this outlawed zone called : Jungleland.