Adam, Aisha, and Billy find themselves in a race against time to find the book in which Rocky, Kimberly, and Tommy are trapped before it's too late! They are forced to search through hundreds of books, not knowing which one they are looking for. Unbeknown st to Bulk and Skull, Lord Zedd and Rita create a monster with the materials they were using to create their own monster. Kimberly, Tommy, and Rocky are stuck in a cave until Grumble saves them. The trio decide to ask the wizard that cast the spell on Grumble to help them; he gruffly refuses. Back in Angel Grove, Billy, Adam, and Aisha must battle Bulk and Skull's monster; he's much more difficult to handle than expected. Aisha gives Grumble a hand so that the story can end happily. Just when things are starting to look up, Mondo the Magician escapes from the book and attacks Angel Grove! Can the rangers defeat such a powerful foe?