She grew up in the shadow of a mystery. Teresa Newton-Terres never knew her dad. Losing him when she was only two, she lived with unresolved grief for almost fifty years. But when a dusty scrapbook hidden by her grandmother lands on her doorstep, she plunges into an abyss to uncover the story. In 1960, an eminent physicist and six other men including Newton-Terres' father left on a covert Raytheon-related underwater communications experiment...