Having rescued Cassidy McKnight from kidnappers in South America, Gabe Sinclair thought his job was done. Not that the former Navy SEAL could ever forget the brave, beautiful single mother. But when the danger followed her home, Gabe promised to protect her. Why anyone would want to kill Cassidy was a mystery. Was the motive related to the orphaned toddler Cassidy was raising, a sweet little girl who brought out the father figure in maverick Gabe?

For Green Beret Travis Chapman, special operations and covert missions are his life. When his country calls, he reports without question. Until now. Until he’s tasked with protecting a woman he’d once loved and sent him packing. He’d rather go AWOL than spend time with civilian researcher Claire Reed. Even when he learns that her vital research project is stolen, he thinks twice about seeing her again.

EMS helicopter pilot Penny Carlton is used to high stress situations, but being forced to land on a mountain in a raging storm with a critical patient - and a serial killer on the loose - tests her skills and her nerve to the limit. She survives with FBI Special Agent Holt Satterfield's help. But she's not out of the woods yet.

When Marianna Santino's roommate is killed, Detective Ethan O'Hara can't fathom the motive. Then he realizes the deaf teacher was the intended target. Marianna must have something the murderer desperately wants. But what? Digging for the truth, the guarded cop tries to learn everything he can about Marianna. Her world. Her family. Her beauty, faith, and fierce independence. In spite of himself, Ethan finds that he can't keep his feelings at bay. Soon, he's willing to risk everything to lay the silent terror stalking Marianna to rest.

The traumatized six-year-old boy hasn't said one word since the unsolved murder of his single mother. And now, the killer is after the child - and the devoted uncle raising him, Dr. Dylan Seabrook. Working undercover in the boy's school, DEA agent Paige Ashworth is determined to find the murderer. But she can't tell Dylan her real identity, what she knows - or just how close to the case she really is. Dylan's strength and fierce love for his nephew soon have Paige longing to join their family. First, though, they must catch a killer who never wants little Alex to speak again.