Kascha's two girlfriends are old rivals. When Charlie invites Samantha to her birthday party the rivalry starts again. Samantha is convinced that Charlie remembers their birthdays are on the same day and is having her party to upstage Samantha. To out flank Charlie, Samantha and her boyfriend call their joint friends to promise and deliver delicious erotic flavors if they come to Sam's party! Why don't you come to Sam's party too?