『一级理论和二级理论的区别论』介绍:IvyandBeanareecstatictosignupforballetclassuntiltheyrealizetherewillbenoswordfighting,kickingor“dancingtothedeath”allowedinclass.WhenBean’sparentswon’tletherquit,IvyagreestostickitoutwithBeanthroughthebigdancefestivalperformance.