Katie Morag tries to help her busy parents by delivering the mail to everyone on the island. In a moment's distraction, her plans go awry and in trying to make things better, she actually makes things worse! But with the help of her beloved Grannie Island, she eventually sorts everything out, and learns something too.

Katie Morag has two grannies, and they are as different as different can be.

Katie Morag's teacher announces her retirement and her plans to leave the island.

A tale of a woman who has a lot of children and a very messy house.

The new teacher arrives at Struay Primary School, bringing with him his son John.

It is Halloween and Katie Morag dresses as a pirate to go around the neighbours' houses.

Grannie Island gives Katie Morag some wellies which once belonged to a girl called Izzy.

Katie Morag hears the story of Stone Soup at Grannie Island's ceilidh.

Mr and Mrs McColl are going to the mainland to await the delivery of the new baby.

Katie Morag feels ignored when everyone pays attention to her new baby sister.

Neilly Beag starts acting strangely and Granma Mainland visits unexpectedly.

At Grannie Island's ceilidh, Katie Morag hears the story of Little Izzy.

Katie Morag goes to visit her Uncle Matthew on the other side of the island.

Katie Morag and Liam spend Hogmanay at Grannie Island's croft.

Mr and Mrs Mackie are coming to tea but Katie Morag and her mum don't have anything ready!

Grannie Island has hurt her back and can't get out of bed.

Katie Morag is excited because her big boy cousins have arrived on Struay.

Mr McColl tells a story about the day Mrs Finlayson had an important visitor.

Katie Morag and her classmates have a lesson on the beach, dressed in seal costumes.

Uncle Matthew tells a story about a girl called Annie Jessie who lived on Struay long ago.

It's the day of the annual Struay hill race. John says he can beat Katie Morag.

The Lady Author tells a story about a contest for the title of best boat builder.

Katie Morag and Liam are looking for a big piece of paper to paint on.

Neilly Beag is sad that he doesn't have a job any more. Katie Morag tries to cheer him up.

Neilly Beag asks Granma Mainland to marry him and she says yes. Everyone is excited.

Granma Mainland arrives just in time for the wedding and Grandad Island arrives with her.