Alarmed by a prophecy that the world will end with the arrival of the year 1000, the students of Dragon Slayers' Academy get some advice from Zack, a boy who has traveled back from 1999.
Wiglaf joins the other students of Dragon Slayers' Academy in searching the Dark Forest for the Cave of Doom, which supposedly contains the gold of the dead dragon Seetha.
Wiglaf faces the double embarrassment of having his wacky parents visit Dragon Slayers' Academy on Parents Day and starring in the school play as the brave but small knight, Sir Tinybottom.
After accidentally killing a dragon, Wiglaf hopes his friends at Dragon Slayers' Academy will be able to help him prove himself a hero when he faces that dragon's mother, Seetha, the Beast of the East.