A late-night fishing trip turns into a disaster. Two friends find themselves stranded on an isolated river. Venturing through the bush for help, Robbie falls onto a redback spider's nest. Within seconds, he is left paralyzed. Then, Chantal and her brother Simon are sailing with their father in a playground for crocodiles. Are they able to get out safely? In Queensland, Jayden is bitten by the highly venomous stonefish while swimming. The trouble arises when her rescue boat gets stuck.