It's a stroke of great luck when Harriet Johnson’s doctor prescribes skating after an illness that has left her feeling frail and listless. For on her very first day at the rink, Harriet meets orphaned Lalla Moore, who is being brought up by her wealthy aunt Claudia to be a skating champion. Although they have little in common, the girls form a fast friendship. Harriet is energized by talented, funny Lalla, and Lalla in turn blossoms under the affection of openhearted Harriet. The girls skate together more and more. But just as Lalla’s interest in skating starts to fade, Harriet's natural talent begins to emerge. Suddenly Lalla and Harriet seem headed in two very different directions. Can their friendship survive?