Scotland Yard’s new chief inspector Nicholas Drummond is on the first flight to New York when he learns his colleague, Elaine York, the "minder" of the Crown Jewels for the "Jewel of the Lion" exhibit at the Metropolitan Museum of Art, was found murdered. Then the centerpiece of the exhibit, the infamous Koh-i-Noor Diamond, is stolen from the Queen Mother’s crown. Drummond, American-born but raised in the UK, is a dark, dangerous, fast-rising star in the Yard who never backs down. And this case is no exception.

Chief Ty Christie of Willicott, Maryland, witnesses a murder at dawn from the deck of her cottage on Lake Massey. When dragging the lake, not only do the divers find the murder victim, they also discover dozens of bones. Even more shocking is the identification of a unique belt buckle found among the bones. Working together with Chief Christie, Savich and Sherlock soon discover a frightening connection between the bones and the escaped psychopath. 

FBI Special Agent Griffin Hammersmith, last seen in Backfire, has been recruited by Dillon Savich to join his unit in Washington, D.C. Savich sees something special in Hammersmith, an almost preternatural instinct for tracking criminals. While on his way to D.C., Hammersmith plans to visit his sister, Delsey, a student at Stanislaus School of Music in Maestro, Virginia. Before he arrives, he gets a phone call that Delsey has been found naked and unconscious, lying in a pool of blood, after a wild party. The blood isn’t hers - so to whom does it belong? Griffin must protect Delsey, but from whom?

When Agent Dillon Savich saves Kara Moody from a seemingly crazy man, he doesn't realize he will soon be facing a scientist who wants to live forever and is using "John Doe" to help him. But when the scientist, Lister Maddox, loses him, he ups the stakes and targets another to take his experiments to the next level. It's a race against time literally as Savich and Sherlock rush to stop him and save both present and future victims of his experiments. In the meantime, Cam Wittier and Jack Cabot must track a violent criminal through the Daniel Boone National Forest.

The police are convinced that Julia Ransom was guilty of the brutal murder of her husband, renowned psychic August Ransom. But after six months of investigation and media frenzy, she is free of their scrutiny, because of the lack of evidence. One afternoon she walks from her Pacific Heights home to Fisherman's Wharf, alone, unwatched - and, she realizes, happy. But not for long.

Venus Rasmussen, a powerful eighty-six-year-old woman who still runs Rasmussen Industries, an international conglomerate, believes someone is poisoning her. After Savich and Sherlock visit with her, someone attempts to shoot her in broad daylight. Who's trying to kill her and why? A member of her rapacious family, or her grandson who's been missing for ten years and suddenly reappears? Savich and Sherlock must peel away the layers to uncover the incredible truth about who would target Venus.

A young wife is forced to confront a decades-old deadly secret when a medium connects her to her dead grandfather. A vicious psychopath wants ultimate revenge against Savich, but first, she wants to destroy what he loves most - his family. A series of three red boxes are delivered personally to Savich at the Hoover Building, each one containing puzzle pieces of a town only FBI agent Pippa Cinelli recognizes. Savich sends in Cinelli to investigate undercover but someone knows who she is.

The explosive action kicks off as FBI agent Ruth Warnecki hunts for Confederate gold in a West Virginia cave. She never expects to encounter the grisly murder that catapults her into a horrific plague of death, all centered on the prestigious Stanislaus School of Music.

Hoping to escape unwanted celebrity in the aftermath of a notorious incident, Ramsey Hunt settles in the Rockies, determined to bury himself in the safety of a solitary existence. But his isolation is shattered when he stumbles upon a small girl unconscious in the high-altitude forest. When strangers pursue Ramsey to his private meadow in an attempt to kill him and the girl, he's mystified that anyone would wish her harm.

Seven years ago, Mia Briscoe was at a college frat rave with her best friend, Serena, when a fire broke out. Everyone was accounted for except Serena, who was never seen nor heard from again. Now an investigative journalist covering the political scene in New York City, Mia discovers old photos taken the night of Serena’s disappearance and begins to uncover a sinister string of events going all the way back to that disastrous party. Working with Sherlock, the secrets begin to unravel.