Lennox Kemp's newfound marital bliss is shattered by anonymous threats, leading him to suspect a connection to his legal work. The threats escalate when a colleague is murdered, and Kemp, burdened by guilt, withdraws, leaving his wife Mary to uncover the truth. Mary must navigate a complex web of potential motives, including disgruntled clients, the victim's personal affairs, and a mysterious London commission, all while confronting an arrogant property dealer and an unbalanced young woman. The narrative unfolds as Mary races against time to solve the murder and prevent further bloodshed, questioning whether she is on the correct investigative path.

The return of Lennox Kemp, M. R. D. Meek’s popular lawyer sleuth, is an intricate and suspenseful puzzler that will delight his many fans. The novel is characterized by its complex plotting and the engaging dynamic between the husband-and-wife investigative team. Readers can expect a tightly woven mystery with multiple red herrings and a satisfying resolution. The story effectively balances the personal stakes for Lennox with the broader criminal investigation.