A Decent Proposal(2007)

Life is going incredibly well for Tia McLealand. Her career is flying and she's fallen in love. But a single phone call changes everything. Her new love, Nick, is killed in a climbing accident. Pregnant with his child, she makes the practical decision to marry a rich and powerful man. Years later, Tia begins to suspect foul play. Can she take on the powers that be to get her life back and protect her son?