She'll Have to Go(1962)
OVERVIEW
When Francis and Douglas Oberon learn that their late grandmother has bequeathed the family fortune to distant cousin Toni, they immediately start plotting to get their hands on the money. They dream up a plot whereby they cannot fail to acquire a comfortable future; the lovely Toni must either be murdered, or married...
TAGLINE:
She had everything a man could want, her aunt's money!