The story of Playmobil Knights follows a lowly beet farmer who is called upon by his king to become a knight and save the land from an evil wizard and his invading dragonriders. It is explained that the dragonriders have so ravaged the country that this beet farmer is the only able-bodied man left to fight. The newly anointed knight, Sir Beetalot, then undergoes a series of quests in order to find a legendary sword that will allow him to defeat the evil wizard.