Mark has always hated Valentine's Day. He always seems to spend it alone year after year... but when Mark is prompted into seeking out a fortune teller, he receives a little help. Mark doesn't believe in such silly things as a love potion... but what has he got to lose? All he has to do is follow the rules and be careful. That doesn't seem to be too hard... until a single mistake turns Jack from friend to lover. Mark now has to act fast to find the antidote, before Jack becomes a victim of Love Potion Number 9.