In Josephine Tye's novel Murder in a Queue, we find ourselves in the heart of London as crowds converge on a famous theatre. Events become complicated when Albert Sorel, a middle-aged man, suddenly falls in class, causing panic among the audience. Everyone thinks he fainted, but it soon becomes clear that he was the victim of a horrific murder, as he was found stabbed with a dagger. Investigations are opened, led by Inspector Alan Grant, who embarks on an exciting investigative journey to uncover the circumstances of the accident. Secrets gradually unravel, and Grant finds himself entangled in a web of lies and conflicting interests, with a number of people who may have motives to kill. The novel's action and suspense escalate with every thread Grant cuts in search of the truth. This story raises questions about identity and motivation, and highlights how appearances can lead to uncertainty. Will the inspector succeed in solving this horrific mystery before things get more complicated?