Page 201 - 237 Summary

Back in the frozen pork warehouse, Detritus the Troll is performing ever more advanced calculus as Cuddy returns with the key to the door. The Troll's vast intelligence collapses as he is rescued by Cuddy the Dwarf, who notices that his colleague has been shot five times. Whilst Cuddy is trying to determine how badly hurt Detritus is, the passer's-by start jeering at the 'stupid troll' and Cuddy the Dwarf threatens them. He manages to get Detritus to stand up and takes him to Quarry lane, where all the Trolls live in the city of Ankh-Morpork (hoping to find a Troll doctor).

Meanwhile, the innkeeper of the nearest bar to the Watch House rushes to the Watch to fetch Carrot, Angua, Colon and Nobbs to tell them that the usually tee-total Captain Vimes has been drinking whiskey in the bar, solidly...