Alex knows the whereabouts of a fortune worth $1 million. Anja dispatches him for the money but not before he's put the clues to the location of the cash onto a computer disc that he gives to his intellegent dog PC. PC sets out to find Alex's friend Susan but is hit by a car occupied by Stephen, his wife Amy, and her children Zac and Binby. PC isn't badly hurt and manages to give himself a voice using Zac's computer. PC and Zac then set out to foil Anja and her plot.