"Do you still miss your little Bonnie?" This one sentence, spoken by a madman in an anonymous phone call, is all it takes to drag Eve Duncan right back to that horrifying day years ago when her only daughter vanished without a trace.

A music therapist who thrives on helping others, Kendra Michaels cherishes the ordinary life she has achieved after stem cell surgery restored her sight. The skills she perfected during those sightless years - the ability to pick up the most subtle audio, olfactory, and tactile cues in the world around her - coupled with her laser-sharp mind - have made her a uniquely potent observer and problem solver. Kendra’s uncanny way of connecting the dots is as baffling to law enforcement as it is legendary.

A CIA agent’s two-year-old child was stolen in the night as a brutal act of vengeance. Nine years later, Catherine Ling’s instincts - maternal and professional - tell her that her son is still alive, but she needs the help of someone as driven and obsessed as she is to find him - and that person is Eve Duncan. Eve has walked this same path and shares Catherine’s nightmare, having endured the disappearance of her own daughter, Bonnie. Now Eve must raise her game as a forensic sculptor to another level, using the science of age progression to unite mother and son.

Hannah Bryson is a marine architect who's been given a fascinating assignment. A Russian nuclear submarine called The Silent Thunder has been purchased by the United States for exhibition in a museum. Hannah must create a schematic of the sub to check for hazards and design seamless modifications to make it safe for the thousands of expected visitors. But soon she discovers that she's being used as bait.

Rachel is a computer genius whose personal life is hell. While she continues to climb the corporate ranks, her beloved twin sister is plagued by a chronic illness that will eventually kill her, leaving Rachel all alone.Serendipity in the form of a mysterious email lands in Rachel's lap one day, but not without a price. Thousands of miles away, archeologist John Tanek sits trapped inside a collapsed tomb with a laptop. He knows that Rachel is the only person who can help him, but time is quickly running out.