Horror fan turned vigilante Jumpscare can conjure any gore-soaked weapon from any gore-soaked movie she's watched. Using this power, she's become a force for good in Empire City... and the world's most popular superhero! Even with all her powers, though, she may not be able to save her estranged sister from the clutches of mobster turned monster — Grindhouse! Especially with a band of eldritch zealots called the Dismal Concordat standing in her way!