葛瑞絲的媽媽希望她的女兒能努力練習鋼琴,但葛瑞絲卻想花更多的時間在車庫裡練習樂團。她能瞞著媽媽多久?若是媽媽發現了又該如何?
Grace's mum wants her daughter to study hard for her piano exam. But Grace wants to spend all her free time practising with her band – the Garage Girls.
How long can keep her secret from her mum? And what will her mum do if she finds out?