Jack, Ben, Lachlan and Mimi discover a dead shark washed up on Hazard River. The shark has no fins. When another shark washes up without fins, the friends decide to investigate. Their attempt to uncover what is killing the sharks leads them to a marine park. They discover fishermen killing endangered grey nurse sharks and taking their fins for shark fin soup in Asia.

The Hazard River crew must stop them at all costs!

Ages: 9+