Jamie Forest, entering her second summer in her cabin by Lake Larissa, is planning a wedding to the love of her life, Jim Monroe. In a troubling reveal, Jim tells her about his older brother Eli, who disappeared twenty years earlier. Eli was a high school football standout and a strong swimmer. At his his graduation party, he went midnight swimming with friends and didn't come back. His body was never found. Did he drown? Or did he simply walk...