In the third riotous installment of the hit series, a group of spies hides a computer chip in a toy car that winds up in the hands of eight-year-old Alex (Alex D. Linz). Home alone with the chicken pox, Alex sees the spies breaking into his neighborsโ houses in search of the car. And when they finally locate the car โ and Alex โ heโs got plenty of rigged devices and booby traps waiting for them!