When Rosie Peach arrives for her interview to become Shaston Convent School's new piano teacher, the first person she meets is striking music master David Hart. As her new role gets underway, Rosie comes up against several obstacles: her predecessor Miss Spiker's infamous temper, a bunch of unruly but loveable schoolgirls, and her swiftly growing feelings for David. The nuns of the convent are determined to meddle their way towards a school romance, but David is a complex character, and Rosie can't help but wonder what secrets he is hiding...