An evening out for five students ends in tragedy, with two dead and one critically injured. Nicci Waldock survives, but her life is left in tatters. Years later, a sighting of Jack Bailey, the brother of her dead friend, leaves her with a shocking realisation about the night of the accident. Helped by former journalist Celia Henry, Nicci sets out to learn the truth, and discovers a series of lies and dangerous secrets that have distorted everything she thinks she knows. In uncovering the tangled truth of what happened, Nicci must decide who she can trust, and who is about to kill again. And she realises that everything can be saved or lost in the moment before impact.