Someone is killing Lord Vetinari, Patrician of Ankh-Morpork.
No one knows who, no one knows why and, worst of all, no one knows how - he just gets weaker and weaker.
But it's not just Vetinari - across the city, people are being murdered, but there's no trace of anything alive having been at the crime scene.
Commander Vimes, Head of the City Watch, is a man who hates 'clues'.
He and his team must question everyone - the butcher, the baker, the candlestick maker.
In a city teeming with vampires, werewolves,dwarfs with attitude and golems, Vimes must solve the crimes and save the Patrician.
This is a playtext suitable for all ages, adapted from the novel.