Halloween should be a black cat's favourite holiday, but Splat the Cat is nervous about visiting a creepy haunted house. He's worried it will be too scary. Splat's friend Spike tells Splat not to be a scaredy cat - the haunted house is just for fun! Splat and Spike's visit to the haunted house turns into a rescue mission when Splat's pet mouse, Seymour, gets lost inside.