You Belong to Me (2008)

Following a tumultuous divorce, Alex Wilson is uninterested in her co-worker Michael's romantic pursuits. However, things take a sinister twist when his obsession spirals out of control, leading to a shocking death. Suddenly, Alex finds herself ensnared in a supernatural battle as she strives to protect her son from the vengeful spirit of a former admirer. As she navigates this eerie predicament, Alex must confront her own fears and confront the darkness that threatens her family.