French Film-IN THE NAME of MY DAUGHTER with Catherine Deneuve

IN THE NAME of MY DAUGHTER is a French film (with English sub-titles) based on true events and stars the legendary French actress Catherine Deneuve.  Deneuve gives France bragging rights for having one of the world's leading actresses & renown beauty.  Mais, the French think Jerry Lewis is tres magnifique which is as enigmatic as this film based on a murder/mystery - unrequited love story.  Renee Le Roux (Deneuve) makes it her life's mission to seek justice for the presumed murder of her daughter, Agnes, by Maurice Agnelet; an atty. and former dismissed employee.  Agnes falls inexplicably, madly in love with Agnelet despite knowing of his mulitple mistresses (ooh lah lah) and his contention he does not love her in return. The film originates in 1976.  Le Roux is the owner of a flailing casino.  Agnelet tries to ingratiate himself with Le Roux in order to take over the casino.  Agnes' obsession with Maurice leads her to one suicide attempt.  Still, she is so enamored with Maurice she allows him legal access to her multi-million dollar bank account.  No sooner does Agnes goes missing, so goes the money.  Maurice moves off to South America with his millions.  He returns to France 20 yrs. later to stand trial on murder charges.  Why Agnes' dying infatuation?  What happened - Agnes' body was never found?  Why did the courts pursue the matter 2 decades later and why the Hell would Agnelet return to stand trial when there was no extradition?  Encore - Por que does Agnelet's son pursue charges v. his father after he's been vindicated.  Je ne sais pas!