Racing into a burning cabin to search for survivors, firefighter Diana Cameron stumbles upon an unconscious child—and two bodies with bullet wounds. When a sniper targets their narrow escape, Diana has no choice but to team up with bodyguard Chase Mitchell to keep the little girl safe. Uncovering the identity of the murder victims is the only way to find the killer. But as they’re chased by gunmen into the mountain wilderness, can they protect a tiny witness from the unknown…when the truth is more sinister than they imagined?

K-9 officer Tarren McGregor never imagined that a cartel would find its way to Texas’s South Padre Island—or target his best friend’s sister. But when Julia Hamilton witnesses and prevents the kidnapping of a teen girl, Tarren knows that trouble is soon to follow. Because Julia didn’t just protect the girl—she saw the abductor’s face. Now she’s marked for murder, and it’s up to Tarren and his K-9 partner to keep Julia safe from the human traffickers in pursuit…even if it means putting themselves in the line of fire.

When patrol officer Trisha McCord's six-month-old son is nearly abducted, K-9 officer West Cole saves him just in time. The single mom has no leads on who would try to take her baby—or why. And West won’t let her deal with the threat on her own, especially with the kidnapper closing in and attacks escalating. With her child’s life at stake, Trisha, West and his K-9, Peanut, must race to catch a ruthless criminal in time to save innocent lives—including their own.

K-9 officer Jackson Locke’s sister has vanished—and the key to finding her lies with Amy Scout…his sister’s best friend and his old crush. But when Amy comes under attack, two things become clear: Jackson’s sister has been investigating cold cases and someone wants Amy dead. Now he must untangle the mystery between the cold cases and his sister’s disappearance while guarding Amy from an enemy willing to kill to hide the truth…

After a betrayal that almost took his life, Detective Joel Standage is deskbound. A new assignment is his chance to find out if he still has what it takes to be a cop. His mission? Get close to Mollie Crane, a woman who’s as guarded—and wounded—as he is. Her service dog, Magnus, trusts Joel before she does. When it becomes clear that his interest in her crime boss ex-husband is putting her in danger, what started as a case becomes personal, and Joel will do whatever it takes to protect her…