When the Kings' over-the-top spending causes a monetary crisis on Kinkow, Lanny has the islanders pay mandatory donations to the kings. Buying time until they find a better solution to fix the crisis, Brady and Boomer disguise themselves as bandits Sirocco and Sirocco Taco, stealing the kingdom's donations and returning the money to the public. With criminals on the loose, the Kinkowians start to get angry and the kings must find a way to restore the island's fortune, capture the criminals and win back their kingdom's support.