A coming of age story set in New York, Sisters on Track is about hope, belonging, and the metaphorical and literal sisterhood of young athletes Tai, Rainn, and Brooke Sheppard.。主人公爱玛在她10岁生日那天遭受可怕的创伤,从此她决定不再庆祝生日。这天是爱玛21岁生日,闺蜜艾丽欣坚持要为她举办一个惊喜的派对,此举令爱玛感到异常恐惧。。。。