Lee and Biffy go to Lee's place, only to find that the Serpent has arrived before they are knocked unconscious and wake up at Biffy's place. Meanwhile, the teacher clones wake up in the broken clone room , now realizing they're clones of other famous people (with Sue, Lee's mother, wonders who she exactly is a clone of), while Barrage tries to get them out with the help of the Mr Wurst clones. Due to this, all the students are given an exam to do until the teachers are back. Biffy, Cam and Holger fight over who gets to have the second key. Biffy is called by Kimmie to go to her house, only to find that Cassandra going out on a "vacation" with Kimmie, and Biffy is kidnapped by her soldiers. Lee goes to investigate where Tina and Jenny are when he sees The Council's soldiers (including one with Finnwich's book) and follows them, while Cam and Holger are knocked unconscious and taken away. Lee finds the Tazelwurm, whose actions are now unexplainable, and sees Cam and Holger getting taken away. With the Taz's help, Lee sneaks to follow where they are taken. Lee sees Cam, Holger and Biffy getting taken away by Cassandra's soldiers, while Cassandra takes an oblivious Kimmie into the a submarine. The Serpent arrives to reveal that he is on Lee's side now and releases the three friends. Lee and the three flee to the Serpent's hideout, while the Serpent takes out Cassandra' soldiers. However, Cassandra arrives in a high-tech fighting suit and the two engage in a fight, while the four friends watch from the hideout. During the fight, they reveal that the Serpent is in fact a Ping relative, and Cassandra raised and trained him on her side, before she and her men take him into the submarine to Coral Grove. The episode ends with Cassandra revealing that Tina and Jenny are already at Coral Grove, much to Lee's shock.