A detective races against time to stop a serial killer whose victims are all found dead on Sundays. DCI Warren Jones is already overwhelmed by a murder-suicide investigation when he is assigned the case of Winnie Palmer, a woman missing for two months who has been found dead in the woods. The complexity escalates when a third suspicious death occurs, suggesting a serial killer is at large. Jones must find a connection between the victims and apprehend the perpetrator before another Sunday passes.

The premise sets up a tense, high-stakes thriller with a clear ticking clock element. The narrative focuses on the procedural aspects of a police investigation, likely involving intricate clue-gathering and suspect interrogation. The escalating body count and the pattern of Sunday murders suggest a focus on suspense and the psychological profile of the killer. The story appears designed to keep readers guessing until the final reveal, emphasizing the race against time to unmask the perpetrator.