Marti Keller had everything she wanted. But a horrifying tragedy turns her world upside down, leaving her clinging to the one precious thing left in her life. After she rediscovers her long-suppressed ability to communicate with ghosts, an encounter with the restless spirit of a murder victim leads her to a dangerous menace, hidden in plain sight. The more she discovers, the more she finds that everything she thinks she knows is wrong. But will she live long enough to tell anyone about it?