Joel and Regis are half-brothers with completely different temper. The only common thing they have is their father. Joel is not a smart one. He lost his job and considers France to be a country of racists. On the contrary, Regis is an integral part of the society. n \Before dying their father leaves them a family heirloom, a document which frees from the slavery one of their distant ancestors. In a blaze of anger the brother tear the sacred document. A strange woman who saw them tearing the document sends them in the past in the heyday of slavery. Now the bothers have to join efforts in order to escape and find the way back in their time.