The hedgehog family of Number 5A long to reach the park across the road, but the traffic is so busy it is impossible to cross in safety. Young Max had noticed that humans are able to cross the road quite easily so, as he points out to his Pa one evening, why couldn't they?

This is the story of Max, the hedgehog who becomes a hodgeheg, who becomes a hero! Max's family dreams of reaching the Park. But no one has ever found a safe way of crossing the very busy road. Can Max really solve the problem?