Geronimo and his friends travel to his cousin Stevie Stingsnout's wedding far away on Cheap Change Hill and run into trouble.

Twelve-year-old Scarlett's wildly successful blog may lead to a television show, the Secret Cooking Club has new members, and she is going to bake her mother's wedding cake, but trouble is looming.

All four friends in the Startup Squad want to raise money-but when they can't agree on what business to start next, they strike off on their own. Didi's idea seems perfect: making place cards for a wedding. But after the wedding planner gets sick, Didi finds herself in charge of everything-and then the caterer cancels and the band goes missing! Didi's business is turning from a dream to a disaster. Will the Startup Squad come together in time to save...