This visually striking satirical sci-fi procedural spun from Terry Pratchett's "Discworld" mythos follows the caseload of grizzled police chief Sam Vines (Richard Dormer) and his oddball underlings on the City Watch of Ankh-Mopork, as they try to keep some semblance of order amongst the fantastic beings in Discworld's most famous, and famously corrupt, metropolis.