Winter's chill has descended on Stockholm as police arrive at the scene of a shocking murder. An unidentified woman lies beheaded in a posh suburban home - a brutal crime made all the more disturbing by its uncanny resemblance to an unsolved killing 10 years earlier. But this time there's a suspect: the charismatic and controversial chain-store CEO Jesper Orre, who owns the home but is nowhere to be found.

Dive into the world of Maddie Castle, a retired K9 handler turned private investigator, in this heart-pounding collection of the first three novels in the bestselling series. From gripping mysteries to life-threatening pursuits, Maddie and her canine partners battle danger, corruption, and their own pasts to bring justice to those who need it most.

Rookie Det. Kenda investigates a 1975 case that begins with the murder of a beloved Colorado philanthropist and society figure whose husband, a gambler and womanizer, appears to have an air-tight alibi. Mentored by his veteran partner Det. Lee Wilson, a former Nashville singer turned skilled investigator, Kenda’s case quickly attracts attention from the FBI, CIA, and Interpol, for its similarity to a string of killings involving wealthy married women. All the murders appear to have been committed by a hired professional.

Keera Duggan was building a solid reputation as a Seattle prosecutor, until her romantic relationship with a senior colleague ended badly. For the competitive former chess prodigy, returning to her family’s failing criminal defense law firm to work for her father is the best shot she has. With the right moves, she hopes to restore the family’s reputation, her relationship with her father, and her career.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?