在一列开往广州的高铁上，两个陌生男女因为座位相邻偶然攀谈起来，发现彼此都是“70后”同龄人。男人在广州一家工厂做业务经理，经常出差奔波，与家人异地生活。这次好不容易回家看看，刚呆了两天就接到工厂电话让他赶紧坐车回去。而女人此次出行则是为了散心。看出女人似乎有心事，男人询问起来，两人打开了话匣子，男人埋怨家中妻子不理解自己奔波在外的难处，女人不满丈夫与人处事尤其与异性的行为，列车在起伏的山脉中间行进，时而钻进山洞，时而跨过河面，在一望无际绿油油的田野中穿行，许久静了下来，通过这段两性的沟通，他们似乎明白了什么。
赛车手邓剑因在地下赛车被送进监狱，出狱后誓要做个普通人，但曾经的对敌始终不放过他。全国赛车锦标赛在即，面对对手以自己女儿的性命做威胁，他决定放手一搏，最终实现人生的逆转。
Gyeong-ah works as a caregiver and lives alone. The only one she can rely on is her daughter, Yeon-su, but it's hard to see her after she moved out on her own. Meanwhile, Yeon-su, who is suffering from her ex-boyfriend, Sang-hyun, argues with him again and visits her mother’s house. After Yeon-su left, Gyeong-ah receives a shocking message from a stranger.
An unadorned perspective on impoverished life in Okinawa. 17-year-old Aoi works as a nightclub hostess in order to earn rent money and to provide for her little boy and his lazy father, who has no qualms about hitting his wife. Yet how dark does reality have to get before it stifles the rays of hope that filter through?
