Tia and her mum start an adventurous new life on Gull Haven Island, finding lots of animals who need their help along the way. Tia's mum has a new job as the vet on Gull Haven Island and there are a lot of animals who need her help.

When she's called away to help a sickly cow on a nearby island and gets trapped there in a storm, Tia has to step up and care for the animals staying in the surgery. It's a big responsibility and then she has to deal with a mysterious creature that washes up on the shore after the storm.

Their new life on the Haven Islands is clearly going to be full of adventures!