HelloGoodbye (1970)
An Englishman is in France and meets a French woman and falls in love She disappears and he looks for her until hes hired by a Baron to help his son and discovers the Barons wife is the woman hes been looking for
5 Dolls for an August Moon (1970)
An industrialist invites his colleagues to his private island so they can exploit a resin formula invented by one of the guests, but a killer within the group disrupts the proceedings