The Perfect Marriage

When Annie begins a steamy affair with seductive con man Brent, he uses his charm to convince her to murder her husband and split the inheritance. But when Brent squanders the money and starts sleeping around with other women, Annie packs up and leaves him. By the time Brent finds her again, she's happily married to Richard, a wealthy real estate heir. Will Brent succeed in convincing Annie to repeat the deadly scam? (imdb)