When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

When LAPD detective Michael Gideon and his police-dog partner, Sirius, are assigned to the Special Cases Unit (SCU), Gideon knows their work lives will be anything but ordinary. SCU gets the cases no one else wants, the unusual and bizarre crimes that need special handling and special investigators. When a high-school student is found crucified in a local park, Gideon and Sirius must face up to the gruesome tableau and the motivation behind the murder. Complicating matters is a nightmare from their past, the scars of a terrible fire that nearly cost them their lives.

It’s tough working nights with the NYPD. The crime rate is high, the hours are terrible, and forget about a personal life. So, when Officer O’Reilly and her K-9 Rolf switch over to the day shift, things look up. She’s even able to find time for a new boyfriend. But when the theft of a priceless painting from the Queens Museum leaves a fellow police officer dead, Erin and her four-legged partner find themselves dealing with dangerous criminals, sleazy art dealers, and obstructive detectives in a race to capture the killers...and just maybe bring closure to a 75-year-old crime.

When one door closes...second chances open another.... Ethan was lost after a major accident abruptly shifted him from a military life to a civilian one, from working with dogs to odd jobs.... In that time, he’d spent months healing from his physical injuries. When he connects with Badger and the rest of his Titanium Corp. group of former SEALs, Badger offers Ethan an opportunity he can’t refuse. A chance to do the work he used to do...with a twist.

As a native of the small town of Hansonville, North Carolina,and a wilderness rescue worker, Raine Stockton knows the Smoky Mountains as well as anyone could, but she gave up her Search and Rescue work after a tragic loss. Now she reluctantly returns to active duty to help find a young child who has been kidnapped and taken deep into the forest.