In the race to obtain the second artifact, Cheery, Angua and Carrot venture into the Mines of Tak, where Cheery must confront the darkness in her past; meanwhile, Vimes and Sybil defend the Watch House from Doctor Cruces and her Assassins.

Carcer's got everything he needs to control the Noble Dragon and destroy Ankh-Morpork. With hysteria on the streets and DEATH preparing himself for a very busy day, can The Watch, this band of misfits, step up and save the city from annihilation?