When Jack and Lucy hit a man whilst driving through fog in remote woodland, they think it's just a random accident. But when cars pull up and an armed manhunt begins, they know that they're running for their lives. With a marriage that's on the rocks and a new baby who's driven a wedge between them, Jack and Lucy are hanging on to their relationship by their fingertips. But thrown into the deadly world of industrial espionage, they must fight to keep each other alive and rescue their child, whose life is in peril. As Jack and Lucy hurtle towards the abyss they will find that the real enemy was among them all the time.