The most popular girl in 7th grade is away for a week. Pepper Ann wants to take her place but keeps getting shown up by new girl Amber. Meanwhile someone has been stealing from all the school lockers.

Now, on the eve of Valentine's Day, Pepper Ann's haunted by 3 ghosts, they show her how she tried to get her parents together by forging each other's names on cards, and when Lydia gave her a necklace. Then she sees her friends at the dance missing her, then she sees that if she doesn't learn to love Valentine's Day, she'll be a lonely old lady who forbid it. So she vows to love Valentine's Day forever.