When Kowl forgets to warn Adora and Bow of a Horde attack, he comes to the conclusion that he is no good to the Rebellion. Broom too has been feeling like a hinderence to Madame Razz and so they both decide to journey to Silverstone in search of an old wizard who would be able to solve all their woes. However, on their way, they meet 2 sly strangers who offer them a lift - but en up turning them over to the Horde... (thetvdb.com)