From UK bestselling author Gillian McAllister comes an astonishing, compulsively twisty psychological thriller about a mother who witnesses her teenage son stab a man and then seizes on an unconventional way to try to save him, deemed “perfection, every word, every moment” by Lisa Jewell.Can you stop a murder after it’s already happened? Late October. After midnight. You’re waiting up for your seventeen-year-old son. He’s late. As you watch from the window, he emerges, and yo