Anne Malone’s happy life is shattered when her husband Neil and daughter Chloe are both killed in a car crash. When her aunt dies and leaves her a rustic country house, Anne jumps at the chance to leave her painful memories behind. While cleaning she finds an antique music box sealed behind a wall. It’s haunting music seems to fill the empty house and soon strange things begin to happen. Anne’s friend Susan comes to visit and then vanishes without a trace, then she receives a phone call from her dead husband and sees visions of Chloe. She learns from a mysterious local that the music box unlocks a door to a parallel time where everything that might have been is possible and he begs her to destroy it before it destroys her.