Two years following the explosive Female in the Box series ends, Sienna Nealon is named to London, Britain, where she is drawn right into a murder investigation involving an old friend. Combined up with a young, attractive Detective Inspector, she finds herself within a race against time to unravel the secret surrounding the murder as victim after sufferer falls towards the cautious, clever killer. Quickly, Sienna is within a race against time to find the culprit before he units loose an idea that will display Sienna the limitations of her skills in the most brutal method imaginable-her death.