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.
When Draculaura learns that Skelita is also practicing witchcraft, she eagerly shows Skelita the "right way" to be a witch; Clawd wants to spend a monster holiday, Friday the 13th, with Selena, but a time loop interferes with his plans.
Wanting to gain more followers, Cleo makes a deal with an ancient mirror that tries to take over her life; Clawd and Draculaura fiercely compete to see who can scare Mrs. O'Shriek first and restore her lost banshee scream.
The Boo Crew vacations to the Bermuda Triangle while Dracula considers which Were-Ruler to endorse; Clawdeen investigates a destroyed sandcastle that could change the course of the election and discovers surprises on the island.