Sir Walter is in fact Wobbler, he was trapped in the past when the butterfly effect occured. Jonny, Kirsty and Yo-less return to the past to try and put things right and rewrite history so Jonny is born and Wobbler can return to the present.
The hero, Johnny Maxwell and his friends: Yo-less, Kirsty, Wobbler and Bigmac, find the local tramp/bag lady injured. While she is taken to hospital they are left in charge of her trolly full of dustbin bags. These bags turn out to be full of time and soo