Mallory has just had the worst Halloween ever, and she's determined to make the next holiday better. She decides the best way to make Thanksgiving a success is to do something that makes other people happy, not just herself. So she starts a food drive at school. The plan is to make sure families in need get a tasty Thanksgiving meal. And Mallory has an idea to get all of her classmates involved: the grade that brings in the most cans will get a week without homework! But when things start to go wrong, will Mallory's plan for a happy Thanksgiving be ruined?