THE MISTRESS OF THE DARK MEETS DADDY'S LITTLE MONSTER! What happens when the Clown Princess of Crime gets bored? Shenanigans, hijinks, grievous bodily harm? the possibilities are endless! Now add in a certain macabre-minded TV host who seems to attract trouble like crypts attract vampires, and the stage is set for the greatest team-up since Frankenstein met his Bride! With her beloved show on the chopping block following a corporate takeover, Elvira needs to come up with a plan to get things back in the black - and her new friend Harley Quinn has an idea that's just crazy enough to work! Together, they're going to throw the greatest Halloween party Brooklyn has ever seen - whether the borough likes it or not!