Adrienne Vogt and Harper Penny were closer than sisters, until the day a tragedy blew their seemingly idyllic world apart. Afraid that they got away with murder and unable to accept who they had lost—and what they had done—Harper and Adri exiled themselves from small-town Blackhawk, Iowa, and from each other. Adri ran thousands of miles away to Africa while Harper ventured down a more destructive path closer to home.