Family animation about the characters created by Tove Jansson. When the tranquility of Moominvalley is interrupted by pesky pirates, the family set sail on their own adventure to the French Riviera. After battling ferocious storms and tired from the long journey, the family are at first fascinated by the high society they encounter at their destination. Moominpappa (Nathaniel Parker) loves the lifestyle so much he adopts the name de Moomin to fit in better with his new friends, securing entry to the best hotel in the process, while Snorkmaiden (Stephanie Winiecki) is infatuated with a rich bachelor who dazzles her with his wealth. But it appears not all the family are as taken with the outlandish ways of the Riviera when Moominmamma (Tracy Ann Oberman) retreats to the shelter and calm of the boat and waits for the family to be reunited.