An unusual explorer named Gum and his kindly niece adopt three orphans -- Pauline, Petrova and Posy -- and raise them as sisters in 1930s London. But the girls must fend for themselves when Gum doesn't return from one of … Emma Watson, Yasmin Paige, Lucy Boynton, Emilia Fox, Victoria Wood, Marc Warren, Richard Griffiths Added on Peacock 2022-07-22. Youtube Trailer