Josie presses her hands into the center of the drowned girl’s chest and pumps, counting off compressions. She takes in the girl’s beautiful face, her brown eyes glassy. Breathe. Just breathe…

The body of a young girl lying face down in a swimming pool—white tennis shoes still on her feet, chestnut hair fanned out like a halo—is the last thing Detective Josie Quinn expects to find on an early morning visit to see her brother before class at Denton University. But when she recognizes the girl’s face as she drags her limp body from the water, there’s only one question racing through Josie’s mind: how does a champion swimmer accidentally drown?