At school Zac and Cam fight over the trident because Zac has put it back when Cam said he shouldnt. Rita gives Cam a detention and talks to Zac. She asks if it is about the trident and he says yes. She invites him to the mermaid class. When he arrives Nixie says she doesnt trust him. Lyla teaches Zac about her Merhistory. While at the Cafe Cam shakes the drink that Nixie will be having. After she opens it it squirts on her and she hides in the cool room. Zac stops Carly from seeing her tail and Nixie trusts Him.