After completing her tours with the Marines in Iraq, Molly Sutton knew she could take down any bad guy she met. But when a family tragedy exposes the dark side of her local police, she joined up with her former CO Burke Broussard, who left New Orleans PD to set up a private investigative service for people who couldn’t find justice elsewhere.

FBI Hostage Rescue Team member Shane Livingstone is frustrated when an injury sidelines him during an operation to catch a sadistic killer. A killer who auctions off vicious ways to torture his victims and screens the events for money on the dark web. When a teammate dies during the op, a devastated Shane vows to track down the monster responsible—but to do so he’ll need access to specialized skills he doesn’t possess.

FBI Supervisory Special Agent Dominic Sheridan is an accomplished expert in the Crisis Negotiation Unit. Practiced, professional, used to dealing with high-stakes situations under tense conditions, Dominic is a master at manipulating people. Everyone, that is, but the headstrong rookie agent bent on destroying her fledgling career. As a child, Ava Kanas put her life on the line when the mob executed her father. Now someone has killed her mentor, the man who inspired her to become an FBI agent - and she’s the only one who recognizes it was anything but a tragic accident.

Navy SEAL Xavier Rivera visits historic Lake Olympus Lodge on a scouting mission for a top secret training exercise. In the lodge, he meets smart, attractive park archaeologist Audrey Kendrick. There are many reasons he should ignore the immediate, simmering attraction between them, but in the heat of the moment he has no restraint. Audrey is drawn to the secretive man who helps her when she’s in a bind, and she can’t resist taking a chance on a night of passion. But their one red-hot night together leads to secrets and betrayal....

It should have been a routine investigation. Instead, DEA K-9 agent Adam "Deck" Decker watches in horror as one Denver hospital seems to be ground zero for overdoses of a new drug. Now Deck can only hope a certain ER doctor will help him and his canine partner track down the source. Dr. Tori Sampson has her reasons for not trusting federal agents, especially ones working for the DEA. But the rash of overdoses—including a heartbreaking case involving a teen—is alarmingly high. And the new opioid is not only extremely dangerous, it defies all the usual medical treatments.