Neal of the Navy

Neal of the Navy is a 1915 American adventure film serial directed by William Bertram and W. M. Harvey. The film is considered to be lost. "Neal of the Navy" was the first use of a man's name in the title of a serial.
Plot.
An Annapolis cadet is thrown out of the Naval Academy for cheating on an exam. He was framed, but he must enlist in the Navy to clear himself. Meanwhile, he and his sweetheart search for a buried treasure on Lost Island, which everyone is after.
A map is torn.