As winter sets in, the students of Dover Academy have one thing on their minds—the Snow Ball, Dover's annual holiday dance. For Chloe, Mimi and Ruth, the Snow Ball is a chance to show off their expensive new dresses and cement their status as the most popular girls at school. But, for Kat, it's the cause of much stress and anxiety. To go to the dance, she'll have to tutor Chloe in science. This could be the start of Dover's most unlikely friendship, but what happens when it's put to the test?