Nell Stone is at the peak of her career. Living alone, she is focused and disciplined, refusing to let her personal life creep into her professional one. So when Nell receives a letter from Sadie, an old friend, she finds herself in the hardest position of all. Because what Sadie did to Nell years before is unthinkable, and unforgivable. But should the cost of Sadie's betrayal be her life? Becoming Strangers is the controversial story of the price of friendship and what it means to make a decision that will irrevocably change your life.