There's a big problem on Ningaloo Reef off rth WA as drupella snails are in great numbers and are devouring the stag horn coral. Someone with great imagination must come up with a solution. Charlotte the mermaid teams up with Bottles the dolphin. After arriving at Ningaloo Reef, Charlotte and her fishy friends come up with an ingenious way of solving problem of the drupella snails. Charlotte's solution puzzles the local human diving team, who have been manually taking the snails from the coral, they cant fathom what is happening-is this ather solved mystery for the local media?