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Sent to spend the summer with their uncle on a remote island, young brothers, Andy (Justin Kelly) and Mark (Benjamin Stockham), learn that their eccentric grandfather once owned the island but vanished without a trace, taking with him the secret to a vast fortune. Delving into the mysterious past of the island, the brothers discover that their grandfather designed a complex treasure hunt, a hunt that could lead to unimaginable wealth and heal their broken family. Wikipedia