Misdeal (1969)

A musician named Jacques Christens, is given a proposition by an old man. For ten million Francs he is asked to impersonate a certain Paul de Baer – a man who is supposedly exiled in the Amazone. Christens is told this scheme will save Mr. Baer from ruin. An adaptation of Boileau and Narcejac's "D'entre les Morts".