The Big Bluff.

Don Juan Ricardo "Rick" De Villa (John Bromfield) and his married lover Fritzi Darvel would like to take off together, but his lack of money prevents them from doing so. A chance encounter introduces Rick to the young, but terminally ill socialite socialite Valerie Bancroft (Martha Vickers) in whom Rick sees the solution to his predicament. Rick then proceeds to try and bring about Valerie's demise so he can inherit her wealth.