Batgirls gotten a tip on the Joker's whereabouts from an anonymous source. He is believed to have stolen special cloaking devices from Wayne Industries that make the user invisible. She finds him as planned, but has to take on multiple other invisible villains she want expecting. The riddler, Pinguin, Catwoman and Bane. Unfortunately our heroine doesn't get away and is put threw many entertaining trials ..KO, Bear hug, punching, slapping, tickling.. she is in for a treat!!