Emma is studious and a doormat for classmates who take advantage of her kindness. Chris is the most popular guy in school, but to keep his scholarship he has to pass the history final. When Chris asks Emma to help him cheat, she agrees to think about it. Emma's good deeds lead to a magical necklace which will allow her to "do-over" her day. Will Emma make the right decision? She has three charms and three chances to get it right!