Emma believes that something is going on between Mr. Armstrong and Liberty. Before long, a rumor has spread throughout the school. Meanwhile, Spinner finds a bug in his cafeteria lunch.

Emma feels uneasy when Mr. Simpson offers help on her science fair project. Manny mistakenly reveals to the whole class that Emma's mom is dating Mr. Simpson. Meanwhile, Jimmy is upset when Spinner flirts with the girl he likes.

Emma has been protesting GM(Genetically-Modified) foods for a long time, and she decides to take it to Mr. Raditch. When he tells her that the school can't afford it, and that they haven't been proven to be harmful, she decides to inform the students anyway. When Mr. Raditch finds out, he shuts down her informities. When Emma sees a documentary on the cafeteria, she tells the students to boycott the caf, but it ends up in a food fight, suspending Emma for the rest of the day. When she is interviewed for the Grapevine, she keeps going with her protests. Mr. Raditch gives her an ultimatum: Either apologize or be suspended for a week. She decides to keep going anyway. Spinner has his eye on a new designer shirt, but it costs too much for him. It's not enough that Jimmy is getting $1000 worth of stuff for a ''belated birthday present.'' When Spinner sees Jimmy's MP3 player, he decides to pawn it, ending their friendship.

After finding out that Marco is gay, Spinner starts picking on him and decides to cut Marco out of his life. Meanwhile Snake decides to shave off all of his hair because of his newly discovered illness, which would have made it fall out anyway.