The Kangaroo Creek Gang turn up at their water hole to find their new diving board has been destroyed. When they find some extra large footprints in the mud, they’re worried a monster is in their creek. Mr Lizard tells them of a fearsome creature called a “Bunyip” who lives in the creek. The gang try to catch the terrifying creature in a trap, but when they encounter it, they realise the only option is to leave the creek. However, the gang soon discover things may not be as they seem.