Waldo and Wenda go on a mission to return the borrowed Quick Bloom Key to its owner, an Amazon-dwelling wizard named Vinebeard; Odlulu intercepts the key so she can use its magic for her lemonade stand.

Waldo and Wenda accompany Wizard Dustybeard on his latest archaeology expedition to find the Lost Chamber of Magic Keys; Odlulu is on their tail, and the Wanderers must navigate a hidden pyramid full of tricks and traps.