Two months after her disappearance, a young woman's body turns up on a New Hampshire riverbank hundreds of miles from home. Now the murder victim’s identical twin, Rose Blue, tries to use her flawed psychic connection to her sister to solve the tragic case. Homicide Detective Luke Lennox is skeptical of her abilities and finds the mysterious newcomer a distraction. As the department’s latest hire, he has a lot to prove, and he’s learned from past experiences a personal involvement with Rose will only end in disaster. When a threatening message alerts Rose the murderer dreams of them together, Lennox must stay close to Miss Blue. With the clock ticking and a cunning killer always one step ahead, Luke reluctantly allows her close to him during his investigation. But can he protect her from the danger that lies ahead, or lose his heart and career in this deadly game of doubles?