 Rani and Clyde attempt escape from the school where the Rakweed is taking over, but it becomes harder when they find Rakweed growing indoors as well as outdoors.Sarah Jane follows the transporter trace of the Blathereen to Antarctica, where she threatens them with a water gun loaded with vinegar.The Blathereen then apologise and announce that they will remove the Rakweed crop, claiming they never meant for it to go out of control.