Blindness of Devotion (1915)

Fortune-hunting Renee Delaveaux marries the Count de Carney to get her hands on his money. But she falls into a liaison with the Count's ward, Pierre Cavereaux, a handsome young soldier. When Pierre betrays her by seducing and marrying the Count's niece Bella, the furious Renee brings the quadrangle crashing down when she attempts murder.