Allotria(1936)

Best friends David and Philip have to end their love affair with their mistress Aimée which they - not knowing of each other - share, because they are going to marry their sweethearts Gaby and Viola. Of course Aimée will not accept her defeat. She interferes the engagement of Gaby and David, which lead to some turbulence and change of horses before they all end up in their honeymoon.