Two cops with a secret. Only one is a killer. Over a year as a Detective Inspector during the worst time in living memory, Vicky Dodds is finally getting some balance into her life. A happy family and an engagement. But when Vicky is called out to a Dundee flat, she finds a dead body, his skull smashed in by a hammer. As she investigates, Vicky is given assistance by someone from a recent case, DS Luke Shepherd of Edinburgh’s Major Investigation Team. AKA DCI Luke Shepherd of Professional Standards & Ethics, Police Scotland’s internal affairs unit. She knows Shepherd is investigating someone in Dundee, but Vicky doesn’t know who. After all, she took matters into her own hands in a recent case and the shadow of her actions still haunts her. As Vicky and Shepherd follow leads across Scotland, will she face justice for what she did?