A spooky problem!After travelling to the Top End for a croc research trip, the Irwins decide to squeeze in a quick holiday and visit some old friends in a tiny town on the western shores of the Gulf of Carpenteria. But after an encounter with a snubfin dolphin trapped in a ghost net, Bindi begins to realise that all is not well. With ghost nets threatening the town's marine life, Bindi and her friends scramble to make a difference.