Meet the Shark Detectives; a team who will stop at nothing on their mission to find Colossus, the vanishing Great White Shark.
The Shark Detectives use a pretend seal to try and tempt Colossus above the surface. They find a super shark, but is it Colossus?
The team are joined by a local shark genius. Together they devise a plan to build a fake female shark, in the hope that it may bring Colossus to the surface... will it work?
The adventure continues; thousands of kilometres away and deep underwater. But can a cage keep the divers safe in their search for Colossus?
Detectives Jeff and Chris return to South Africa; their dream of finding Colossus could be about to come true…