A conflict-resolving crystal given to them by their eccentric neighbour enables a mother and daughter to swap identities, allowing them to see things from the other's point of view.
Megan and Margaret both have dates, but who is going out with whom? Chaos reigns as Megan goes to a posh restaurant, while Margaret ends up at the cinema with Nelson and a jealous DC decides it is time for a makeover.
Penny Carter is bullying Megan at school and Margaret is under pressure at work.
Megan and her mother swap bodies just as the youngster boards a coach for a school trip.
Megan has a Cup Final coming up and wishes her mother would show more interest, but soon she has other things on her mind when a new boy arrives on the scene.
Dad comes to stay and Megan is delighted. But a body swap with Mum means she finds out a lot about him and her family.
Megan and Margaret share the same birthday and chaos ensues when each decides to throw the other a surprise party.