The Perfect Marriage (2006)

Storyline:

The Perfect Marriage 2006 Annie Grayson murdered her Californian husband Martin to collect his 250,000 insurance, shared with her lover Brent Richter, who provided poison and idea But its squandered, they split up and she moves to Philadelphia as Marrianne Danforth Three years later shes remarried to real estate tycoon Donald Danforths son Richard and their charity executive The next year Brent tracks her down and sees trough her claim to be happy They plan to murder dad in law first, which succeeds, then Richard Devoted secretary Carrie Hollings gets wind of Mariannes lies, so shes killed by Brent, but the suspicion doesnt die with her