The House Across the Lake (1954)

Sensuous and desirable, Carol Forrest has always attracted the attention of men. Expert in the art of manipulation and control she married an older man, loving only his vast wealth and continued to amuse herself with indiscreet affairs. But when neighbour Mark Kendrick lets slip that her husband intends cutting her out of his will Carol concentrates all her attentions on the unsuspecting Kendrick, obtaining his help to dispose of this irritating obstacle.