Grandwitch Sourmuddle threatens Pongwiffy with expulsion from the coven unless she can find herself a suitable familiar by Friday. The only applicant to answer her advertisement is Hugo, a Dutch Hamster from Hamsterdam.

There is indignation in the wizard's clubhouse when a long forgotten page of the rule book comes to light. The Wizards are dismayed to discover that they are duty bound to host a ball and invite the witches along.