Killed by Her Husband, Avenged by a Ghost

A ghost bride trapped in a graveyard for centuries befriends Fiona, the only human who can see her. When Fiona dies from abuse, the ghost bride possesses her body to care for her two kids. She punishes abusive men and protects women, becoming the town's guardian angel. But when men hire an exorcist to destroy her, she must prove her goodness.