On holiday with their mother in the Lake District in 1929 four children are allowed to sail over to the nearby island in their boat Swallow and set up camp for a few days. They soon realise this has been the territory of two other girls who sail the Amazon, and the scene is set for serious rivalry.
演员: Ronald Fraser
/ Suzanna Hamilton
/ Simon West
/ Brenda Bruce
/ Mike Pratt
/ John Franklyn-Robbins
