In the family of the Inconvenient, it is the turn of change! While Helen develops her professional career, her husband Bob stays at home with the children in the privacy of the home. This new situation is difficult for everyone, and the budding supernatural abilities of little Jack-Jack make it no easier.

When the next szwarccharakter planning a brilliant and dangerous plot, the entire family of the Incredible must reunite forces to face the new challenge. It is easier to say, more difficult to do - even for the incredibly.