Victor gives her $100 for a calculator, which is for her trigonometry class at school. However, she decides to buy a outfit to wear to an upcoming party instead, then return the outfit the next day, and get her money back to buy the calculator. Unfortunately, Raven accidentally gets lip gloss on the blouse. Now, she; Eddie; and Chelsea must try to get the stain out, and return the outfit. Meanwhile, Victor and Cory take an annual father-son shopping trip. Cory doesn't like the trip, especially when Victor embarrasses him in front of girls he likes.