Kerry Casey is still reeling from the bombshell that her lover, undercover cop Vinny Burns, has gone missing in Spain. She's pregnant with his baby and will do anything to find him. One night, driving along a country road, Kerry and her Uncle Danny are ambushed by gunmen. In the confusion that follows, shots are fired and two men are murdered. Kerry and Danny can only look on as the bodies are dragged from their assailant's car and placed in their own. Gangster Kerry Casey has fought her way to the top of the Glasgow crime scene. But can she stay there? Kerry Casey is now a fully-fledged gang boss. With her business partner Sharon and her wily lawyer Marty at her side, she is busy ridding her organisation of the -dealing, people-trafficking scum her dead brother Mickey got them involved with. Physically and emotionally battered after the shocking events of Fight Back, Glasgow gang leader Kerry Casey must pick herself up and get straight back into the fray.When London gangsters William 'Wolfie' Wolfe and his tough-talking daughter Hannah approach her with millions of pounds worth of stolen diamonds and offer her an alliance in return for helping to sell them. Kerry Casey thought she'd made a life away from the dirty dealings of her gangster family. Her father wanted to make them legit - her brother Mickey had other ideas, and now it's got him killed. When Mickey's turns into a bloodbath at the hands of a group of anonymous shooters and Kerry's mother is killed in the crossfire, Kerry finds herself at the head of the Casey family, and desperate for revenge.