Joey is finding it increasingly difficult to keep Monica and Chandler's affair to himself when he is forced to take the wrap for Chandler leaving his underwear and razor at the girls apartment, even though it convinces Rachel that he is a pervert. Things get worse when Chandler and Monica attempt to make a porn video of themselves. But Joey's date accuses him of recording their first night together, and when Rachel finds a naked picture of Monica at the boys place and accuses Joey of being a perverse stalker, it's the final straw. Meanwhile, Phoebe and Rachel join a literatue class. Phoebe wants to learn, whilst Rachel wants to have fun and repeatedly asks Phoebe to do her work and give her knowledge on books, which gives Phoebe an idea for revenge, whilst a troubled Ross gets really mad after his boss eats his leftover Thanksgiving sandwich and becomes greatly feared at the museam because of his outburst.