The Juice-Net cafe is hosting a short film contest based around the theme of heroes & everyone wants to enter. While Rikki & Cleo are roped in to doing a film about Emmas mum Zane & Lewis hit the waters around Mako Island to film Zane windsurfing. Meanwhile Rikki isnt convinced that Emmas film idea will win them the prize so she sneaks off to make a film of her own featuring some impressive underwater footage of sharks. But when Zane falls off his windsurfer right in the middle of Mako Islands shark breeding ground its Rikki who finds herself being called a heroine when she has to help rescue him!