Music becomes a weapon when Lord Zedd unleashes Guitardo against the Rangers. The monster’s musical powers create a strange spell that leaves the team vulnerable, and ordinary fighting techniques are not enough to solve the problem. Kimberly becomes especially important because she is the one Ranger capable of countering the musical threat. Her talent and determination suddenly become the key to saving her friends. With Guitardo turning music into a weapon, Kimberly must find the right way to break the spell before the entire team is overwhelmed.