Sous l'Emprise des esprits

Sous l'Emprise des esprits  is a 1947 film.

Synopsis
A polygamist tribe chief, Mutana, has seven wives, one Christian, one pagan, and the others unknown. After speaking with the witch doctor, the pagan wife poisons one of the Christian's wife's sons. Meanwhile, Mutana consults with the witch doctor who suggests he kill one of the Christian children to save his own child. However, he errs his target.