Clawdeen organizes a "Get Out to Vote" concert with Catty Noir, but a shapeshifter threatens to ruin the event; stuck in an alternate dimension, Clawdeen and Romulus must work together to get back to Monster High before the concert.

Clawdeen finds that balancing school with her new role as Were-Ruler is way more challenging than she thought; as she faces her first big task as Were-Ruler, Clawdeen makes a decision that will shake up the were-world.