It's hard to discern exactly who this film is intended for. On the surface it's an adventure story about two young brothers who search for their grandfather's hidden treasure on the family island. At the heart though, it's a family drama about two older brothers finding their way back to each other after life has ripped them apart. Trying to walk the line between both genres, this film does neither particularly well. The kids watching for the adventure storyline will find the plot forced, with all clues and elements conveniently and sloppily revealed at the right moment. If you make your…