威廉姆身怀六甲的妻子从阳台跌落后，居然母子平安。然而，妻子又无故离去。威廉姆在追寻妻子的途中，发现六个月大的儿子神秘死亡，妻子则神志不清——她有多少秘密是威廉姆所不了解的？为了找回被埋葬的真相，威廉姆决定回到那片沉默的海湾。...

Follows Sara, head of the Toulouse police narcotics squad, who is forced to collaborate with Richard, the head of the local criminal police, to stop a go-fast between Spain and France and find the mur...