In January 1989, Birdie wakes to the news she's been waiting eighteen years to hear. Jimmy Maguire, the man who killed her sister, has been freed from jail. Birdie sends her kids to school and then leaves for London with a gun and a plan: to find Jimmy and make him pay. But there's another side to the story, and Birdie is about to enter a world of family lies, worn-out loyalties and long-buried betrayals...