Silent Key - Laurel Hightower

After the loss of her husband under mysterious circumstances, former detective Cam Ambrose learns how little she truly knew him. Reeling with the grief of her loss and the realization that the man she loved was a stranger, she must learn how to keep her young daughter safe from a world of the supernatural she never knew existed. With the help of her best friend Dimi and reclusive neighbour Eric Morgan, she sets out to solve a decades-old mystery entangling the machinations of an obsessed killer, her husband’s mistress, and a series of deadly hauntings.