Barbie risks his life to help Rebecca save the Chester's Mill food supply when she discovers an infestation of butterfly eggs on the town's crops.
Secrets of the Dome are revealed and Big Jim is determined to put an end to Barbie once and for all.
While the manhunt for Barbie continues, Big Jim gets the residents of Chester's Mill riled up and the town demands justice for all of Barbie's supposed crimes.
Big Jim turns the town against Barbie when the truth about his past is revealed. Meanwhile, Maxine makes it personal when she confronts Barbie's closest ally.
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