A comedic romp into the world of fantasy role-playing games, She Kills Monsters tells the story of Agnes Evans as she leaves her childhood home in Ohio following the death of her teenage sister, Tilly. When Agnes finds Tilly's Dungeons & Dragons notebook, however, she stumbles into a journey of discovery and action-packed adventure in the imaginary world that was Tilly's refuge. In this high-octane dramatic comedy laden with homicidal fair.