Isle of Sunken Gold is a 1927 American adventure film serial directed by Harry S. Webb. The film was long considered to be lost, however, chapters 4, 5, and 6 and reel 1 of chapter 7 were recently discovered in a European archive and retranslated back into English. A sea captain obtains half of a map directing him to an enormous treasure on a south sea island. The princess who rules the island possesses the other half of the map, and together they fight off the pirates and natives who would prevent their retrieval of the treasure.

Don Hathaway Jr. goes to Alaska to escape Follies girl and meets with an accident. The girl helps him and takes him to her home where jealous rival accuses him of being a bootlegger, when he is the culprit himself. Hero proves innocence and defeats rival for affection of girl.

Two men, Philip Whittemore (Henry B. Walthall) and Thorpe (Harry Northrup) both go to the Northwest to gain the right-of-way for their railroad company from D'Arcambal (Emmett King). Whittemore arrives first and D'Arcambal refuses to meet with him until he saves his daughter, Jeanne (Pauline Starke) from going over the rapids. Then Thorpe arrives and tries to use force by kidnapping Jeanne and insisting that he is her father.

In this rare, surviving one-reel Western from the pioneering Kalem company, Ruth Roland's fiancé, Dick, is falsely accused of robbing a bank, a dirty deed actually committed by one Black McCarty. Roland helps Dick escape and later supplies him with a weapon, but her irate father, the sheriff, must be put out of action -- by his own handcuffs as it turns out -- before the villain can be captured and peace restored.