Robin need to earn some extra money fast in order to afford an expensive ski trip she is exited for, and decide to advertise for students to teach music lessons to. Vanessa suggests she up the game and market the first lesson free in order to attract more people, however it quickly gets out of hand when too many people show up. Meanwhile, Mark faces an ethical dilemma when he is asked by Coach Ricketts to help a student star basketball player pass a very important algebra test, whether he deserves it or not, so he can play in the upcoming game and have his shot at a college scholarship. Mark is guilted into taking the test as well.