"Layer Cake" is a novel by J.J. Connolly set in London’s criminal underworld. The story follows an unnamed protagonist, a drug dealer who wishes to retire from the dangerous life he leads. He has built a successful business but is caught in a web of criminal dealings and obligations that complicates his escape. The narrative unfolds as he navigates through the layered complexities of his environment, revealing the gritty realities of the drug trade. As he attempts to extricate himself from the criminal life, he is drawn deeper into conflicts that involve powerful figures and betrayals. The characters he encounters are vividly depicted, each contributing to the atmosphere of tension and moral ambiguity. The protagonist’s journey is marked by his dealings with various underworld personalities, illustrating the harsh choices he must make. "Layer Cake" is notable for its sharp dialogue and intricate plot, which reflect the unpredictable nature of crime. Connolly's writing captures the raw essence of London’s underbelly, while exploring themes of ambition, loyalty, and survival. The protagonist's struggle to escape his past serves as a commentary on the challenges faced by those in the criminal world, making the book both thrilling and thought-provoking.