Vows of Deception (1996)

Made-for-the-boob-tube confection Vows of Deception (1996) stars Cheryl Ladd as Lucinda, an ex-con whose booty is the duty of detective Nick Mancuso, who's brought her back to his small town after her parole. Cheryl doesn't waste any time getting in good with Nick's big-bucks brother, who's not only got a lot of cash . . . he's got a son in his twenties who's Cheryl's kind of lad! Cheryl works her magic on the wealthy widower, and soon enough they're married. Now she's scheming to snuff her mister, raid his coffers, and boff his boy. Will she get away with it, or will Cheryl herself end up in peril?