Evil Susan has been transported from her home in Strangetown to the town of Riverblossom for a random adventure. She finds the town too cheerful and wants to destroy things. She meets a local named Shea who also dislikes the town's positivity. They bond over their shared dislike of Riverblossom and its philosophy. Susan destroys several local attractions, like a family fun park. Shea finds this amusing and the two start spending time together, though Susan insists she remains fully evil.