Half Light (2006)

Rachel Carson a bestselling crime novelist is devastated and filled with guilt over the accidental death of her son Hoping that a change of scenery will help alleviate her suffering she leaves her home in the city and moves into a vacant country house owned by a friend and begins a relationship with charming local Angus But just as her life is taking a turn for the better Rachel realizes shes being romanced by a ghost leading her to doubt her own sanity