"What Brynn Caldwell can't remember might get her killed. Brynn is a promising science student recovering from a major setback: Last year, a bad relationship sent her spiraling into depression. But as she puts the pieces of her life back together, a few don't fit. Soon Brynn starts having flashbacks--hazy memories of being abducted and possibly brainwashed. It's all connected to a wonder drug to treat PTSD that might actually be the ultimate weapon:...