In order to save Poddleville, Jackie and Annie need to figure out the pattern for the podlock before Hacker and his henchmen. They take the back entrance to the vault and attempt to unlock it from there. After some thinking and discussion with Matt and Inez, Jackie figures out the pattern and enters the vault, saving Poddleville from Hacker.
Olympia and Otis attempt to intercept a dancing villain, who makes her victims dance forever. The villain strikes at different parts of town, and the duo guessed her attack pattern incorrectly. They determine that she will strike the mayor's home next after discovering the real pattern.
Matt, Jackie, and Inez try to figure out what Hacker is planning. They find Annie, a triangle poddling, who lists out the numbers and shapes of pods that Hacker has stolen thus far. They order the numbers and discover a pattern: Hacker is stealing only odd-numbered pods.