Pathologist Pierce uncovers a deadly conspiracy when he links a string of seemingly accidental deaths through cryptic music tattoos. As he brings Harry and Fergus in on the case, secrets unravel, and an act of revenge spirals toward another kill.

When two burglars witness politician Nicholas Samson kill a young woman, they turn to Harry for help. Suspicion spreads, a blood-stained rug surfaces, and Harry finds herself confronted by a powerful and relentless foe.

After her husband Damien's body is burned in a fire, Laura needs Harry's help to clear her of the murder. Harry and Fergus must dive into a murky family history steeped in whiskey and curious acts of sabotage.

Marcus fears he'll die while playing Macbeth, in a repeat of three previous fatal performances at the theatre. And when Fergus is nearly killed on the stage, Harry digs into the theatre's troubling history.

Scholarship student Derek is accused of killing his principal at St Barts, and Harry goes undercover to find out who is trying to frame him. She uncovers an unsettling darkness enveloping the private school.

When Malky has no memory of committing murder, Harry, Fergus, and Charlie must find out who benefits from the victim's death. As Harry mingles with unlikely company seeking justice, she makes a vital breakthrough in a sinister case.