Called to a Southampton nightclub, Detective Inspector Helen Grace cuts the duct tape from the asphyxiated victim and discovers she knows him.A man from the double life she has concealed from her superiors, Helen is determined to find his murderer - while keeping their relationship hidden at all costs.When a new victim is found, Helen works around the clock to stop her life unravelling. She'ss do anything to solve this case - but dare she reveal her own darkest secrets and lose everything. And would even that be enough to stop this killer ?