After losing her parents in a car accident, Isabel moves to a small town to live with her uncle where she befriends a robot dog named A.R.C.H.I.E. But as they help each other out, they find out that an evil man is after the super dog.
In this part, the super intelligent artificial robotronic dog "Archie" befriends "Gregory", a young boy who's the son of a carnival owner. Gregory is worried that someone is stealing from the carnival and asks his new friend to help find the culprit.