A wizard who can't do spells, because he has one spell in his head thaat scares of the other spells. He lives on a discworld.

As Rincewind involuntarily becomes a guide to the naive tourist Twoflower, they find themselves forced to flee the city of Ankh-Morpork to escape a terrible fire, and begin on a journey across the Disc. Unknown to them, their journey and fate is being decided by the Gods playing a board game the whole time.