The first day of term brings a whirlwind of surprises to Harton's small but lively Year 6 class. Excitement brews over their unpredictable new teacher and his seemingly impossible swimming challenge. But the biggest news? A new girl.

Best friends Scarlett and Celeste eagerly take shy Grace under their wing, determined to help her feel at home. Yet is her quietness just new-girl nerves, or perhaps, something more? Join the girls as they discover the power of friendship, kindness, and one brilliantly crazy idea...