It's the day of the picnic party and the residents of Big City are busy making preparations, when disaster strikes . . . the shelves of Mr Fizz's Pop Shop are empty and nothing remains but a trail of crumbs at Mrs Appleton's Bakery! But there's no need to despair - Superkitty and her team of Sensational Superheroes are on the case! But when they track down the culprit, things aren't quite what they seem . . .
