 Freddie is prescribed painkillers to treat a nagging injury he suffered playing basketball ... and soon becomes hooked. His friends become concerned about Freddie s increasingly scary behavior, but "Boom-Boom" tries to brush them off - after all, it s just "vitamins." What becomes even more scary is that Horshack blindly believes his friend s explanation, even though it becomes clear that Freddie needs help before something goes horribly wrong.