The Stepson (2010)

Donna May is a grief counselor who suddenly finds herself grieving and alone after the hitandrun death of her husband Robert Soon after Roberts death Donnas estranged adopted son Kevin appears at her house claiming he has cleaned up his act and wants to regain her trust Donna reluctantly takes Kevin in although they havent seen each other since a violent fight that she and Robert had with him five years earlier when he was caught stealing money from them It doesnt take long for the aggressive side of Kevins personality to emerge He claims that Robert had been cheating on Donna and prevents her from leaving the house or having visitors Donnas credit cards and checks go missing and Kevin wont allow her to answer the phone When Donnas lawyer is found dead after Kevin accused him of being a fraud she becomes convinced that Kevin killed him and attempts to escape the house in what may prove to be a struggle for her life