Ella thinks so often about life on other planets that she regularly wonders what aliens might think about families on Earth (particularly those on her own street). A lot is happening here, too: All the children – led by Milan, who is the fastest in his wheelchair – are looking for the neighbour’s little dog! And can they work together to solve the secret of Ella’s friend Hamza, who is always disappearing? But first, the mystery of the contents of the blue suitcase must be solved, and of course, all the residents of Chestnut Lane are on hand to help …
