When a new student named Naomi arrives, her mysterious background and troubled demeanor leave the girls puzzled. As Head Girl Mary-Lou tries to uncover the truth and help Naomi fit in, a flu epidemic strikes, leaving the school short-staffed. The capable senior girls must step up to keep things running smoothly, but mischief from the younger students adds to the chaos. An adventurous ski trip leads to a dangerous accident and a daring rescue. Through it all, the bonds of friendship grow stronger as the girls support each other. Join Mary-Lou and her classmates in this heartwarming tale of perseverance, compassion and the enduring spirit of the Chalet School.