When Phoebe unknowingly helps some college friends turn a trio of animals into guys on Valentine's Day for dates, everyone is in for a surprise when the guys retain several killer animalistic qualities and start attacking innocent people. After the girls and their dates descend on P3, Phoebe accidentally turns everyone at the club into animals, in an attempt to turn the guys back into their animal forms. As Prue tries to adjust to her free time now that she's unemployed, Piper and Dan have a hard time trying to have a romantic date now that Leo is working at the club.