After witnessing the submarine exit the hideout, Lee, Biffy and Holger decide to leave. Meanwhile, after discussing Coral Grove, Tina and Jenny decide to find Brandy's mother's brochure to find her new username and password to Coral Grove's website as Tina did months before in the webisodes. Cam is still interested in how Chaz got hold of an embarrassing music video that includes him, he claims that he found it on his doorstep. At the school assembly, Mr Wurst, the former principal, returns. Cyrus quits his band in compliance with the blackmail. After discovering Barrage being carried into a tunnel, Lee finds himself separated from Biffy and Holger and trapped by The Serpent, who challenges him to a game: find the single remaining exit before the Serpent finds and captures him. Cam proceeds to go see Mr Wurst and quit the presidency but before he can do so Wurst leaves the school premises. Biffy and Holger escape the hideout and help Lee escape by re-entering via The Serpent's casino. Tina and Jenny go to Brandy's and find the brochure. Lee manages to defeat The Serpent by exposing him to his allergy: fish. Cam shows up to help Biffy and Holger only to find that Lee, Biffy and Holger had just escaped. Cam suspects that Grayson, the student who gave Cam the cheat paper, is the blackmailer when Chaz mentioned squeaks, referring to his wheelchair. The episode ends with The Serpent printing photos of Lee's family, seemingly oblivious to Biffy's phone camera set up in the room.