Gradually, everyday life returns to the Incredibles after they have put a stop to the villain Syndrome with united family power. While Helen Parr has important matters to attend to, it's up to father Bob to organize everyday family life with the three children Violet, Dash and baby Jack-Jack. But that's easier said than done, especially since it's not yet clear what extraordinary abilities little Jack-Jack will develop. When a shady villain appears and threatens the citizens of Metroville with a perfidious plan, the Incredibles have to slip into their superhero outfits again to prevent the worst together with friend Frozone.