Plot: A family in route to New Guinea is shipwrecked on a deserted tropical island. They are forced to remain on the island because of the damage to the ship and the pirates that are roaming the islands. They create a home on the island (centering around a huge tree house) and explore the island and its wildlife. Plenty of adventure ensues as the family deals with issues of survival and pirates, and the brothers must learn how to live on the island with an uncertain future.
Alternative Plot: In this family film, the Robinson clan -- mother (Dorothy McGuire), father (John Mills) and their three sons, Fritz, Ernst and Francis -- flee the reign of Napoleon to start afresh in New Guinea. When their ship gets damaged en route, the family takes refuge on a deserted island. The Robinsons learn to live in the wild, have various adventures and build an impressive house in a tree. However, while island life is full excitement, the question of whether to return to civilization looms.
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