My Lover, My Stepfather

Rhea was a college student who fell in love with her stepfather, Erik. They were involved in an accident one day that killed her stepmother, Leilia, and left her in a coma. She awoke one day and overheard her mother's death. That's where she carried out her nasty plot to seduce her stepfather using her mother's memory. How long will she be able to get away with pretending to be possessed by her mother's ghost before being caught?