Dress Your Flesh with Desire (1975)

After performing a successful heist, Marios, a member of a violent gang of bikers, decides to double-cross his companions. With his leather bag crammed with cash, Marios tries to lie low until the trouble passes, unbeknownst to him that the leader of the gang has abducted his beautiful lover. But, little by little, Marios' girlfriend falls in love with her captor. Now, Marios, who is not willing to take this situation lying down, will stop at nothing to have her back--including murder.