Three ordinary women discover an Island on Mako and a moon pool that turns them into extraordinary mermaids with special powers over water on the night of a full moon. They must never look in the moon's eye or there will be side effects for each of them.

Centres around Dave and Julie Rafter and their three children Rachel, Ben and Nathan. On the eve of their twenty-fifth wedding anniversary the couple thinks that they are finally about to have the house to themselves. But home is a very welcome refuge for their children and when unforeseen problems loom, they return like a boomerang. Written by Anonymous

Back to the Rafters picks up six years since we last saw the Rafter family. Dave and Julie have created a new life in the country with youngest daughter Ruby, while the older Rafter children face new challenges and Grandpa Ted struggles to find his place. As Dave enjoys his new-found freedom, Julie must reconcile her responsibilities to the family.