Detective Catherine McLeod was always taught that in Glasgow, they don't do whodunit. They do score-settling. They do vendettas. They do petty revenge. They do can't-miss-whodunit. It's a lesson that has served her well, but Glasgow is also a dangerous place to make assumptions. Either way she looks at it, she recognises that the discovery of a dead drug-dealer in a back alley is merely a portent of further deaths to come. Elsewhere in the city, aspiring actress Jasmine Sharp is reluctantly - and incompetently - earning a crust working for her uncle Jim's private investigation business. When Jim goes missing, Jasmine has to take on the investigator mantle for real, and her only lead points to Glen Fallan, a gangland enforcer and professional assassin whose reputation is rendered only slightly less terrifying by having been dead for twenty years. Cautiously tracing an accomplished killer's footsteps, Jasmine stumbles into a web of corruption and decades-hidden secrets that could tear apart an entire police force - if she can stay alive long enough to tell the tale.

The second installment in Christopher Brookmyre’s new crime series, When the Devil Drives is an intensely gripping literary thriller that delves into the darkest reaches of the human psyche. Actress turned private investigator Jasmine Sharp has become accustomed to clients looking for long-lost relatives, so when a woman hires her to find her younger sister Tessa Garrion, Jasmine presumes the case will be relatively straightforward. The assignment takes her back into the world of professional theater, where she is warned off more than once for probing too deeply into the past. Meanwhile, Detective Superintendent and mother-of-two Catherine McLeod is called to the scene of a murder in the Highlands. Following a theatrical outdoor performance of A Midsummer Night's Dream at Cragruthes Castle, a prominent figure in the Scottish arts community is shot dead during a post-performance photo call. With her initial leads turning out to be red herrings, McLeod struggles to determine the killer’s motive. Jasmine soon uncovers Tessa’s involvement in a drug-riddled Highlands estate retreat replete with occult rituals, which implicates more than a few people in the upper echelons of Scotland’s arts scene. Tessa’s disappearance in the summer of 1981 begins to look increasingly like murder, but the guilty will stop at nothing to keep the truth hidden. As Jasmine’s and McLeod’s investigations intertwine, it becomes evident that both cases are far more convoluted and dangerous than anticipated.

Private investigator Jasmine Sharp's father was murdered before she was born, and her mother went to self-sacrificing lengths in order to shield her from the world in which he moved. Since her mother's death, all she has been able to learn is his first name - and that only through a strange bond she has forged with the man who killed him.