Maisy and Justin are stranded on a floating dock until they come to an unorthodox agreement about the fate of the cottage, while Billie andhugian have weird day at the Quads' birthday party.
Justin returns from living abroad after a break-up with his long-term partner, in the hope of reconnecting with the biological daughter that he gave up for adoption in his teens. His plans to create new memories with his city-loving daughter Billie at the idyllic lake from his childhood go awry when he finds out his father left the family cottage to his 'picture-perfect' stepsister, Maisy-May.