Eddie Woo Super Sleuth is ready for action and mystery. With a mind for maths and a nose for adventure, he is about to skateboard into ... danger. When Eddie uncovers a potential clue to a century's old treasure hunt, he and his friends Rusty and DT are soon hot on the trail of this long ago, hidden treasure.

Eddie must crack clues, scale a lighthouse, discover a hidden cave behind a waterfall and navigate hidden tunnels to stop the treasure falling into the wrong hands.