妈妈季佩珍（徐帆 饰）是这个家的灵魂所在，她像有分身术一样能照顾到每一个人。在她的面面俱到之下，这个家看上去井然有序，然而事实并非如此。在妈妈季佩珍眼里女儿李小美（张婧仪 饰）永远都是最优秀的，却不知在北京工作生活的她还有另一面。女儿对妈妈的掌控有多抵触，季佩珍更是不了解。医生丈夫李文舫（许亚军 饰）因几年前的一次失误，至今还无法拿起手术刀。婆婆患有阿尔兹海默症，生活都无法自理……就在身为教师的季佩珍刚刚退休，似乎能松一口气多拥有些自己的时间，却被查出了恶性肿瘤四期。如果妈妈只剩下四个月的生命，这家人的生活又该如何继续下去呢？

　　有腳疾的阿忠（喜翔飾）執意開車去屏東，彥博（鄭有傑飾）無奈之下只好載阿忠
　　前往，父子倆一路沉默不語，關係疏離而遙遠。途中車子突然故障，兩人因此再次回到
　　媽媽的故鄉—苑裡小鎮。媽媽過世後父子倆鮮少回來，對小鎮的變化和很久不見的親戚，
　　兩人都非常陌生。眾人言談間，當年的事又再次被提起……。

　　外公在浴室摔倒，被送至重症监护室。一家人赶到后被医生告知，外公摔断中枢神经无法救治，医院建议放弃治疗减轻病人痛苦。外婆回家准备遗照，收拾外公物件时情绪奔溃，回到医院不愿放弃对外公的治疗……

　　The lines are busy at the telephone helpline. A life coach records an encouraging video while concerned parents consult a child psychologist. A spectrum of cinematic tableaus shows people trying to counteract the increasing loneliness to create intimacy in a detached society.

　　In 2050, Earth has become a dry and desolate place. Fighter pilot Nova is forced to travel back in time to prevent a devastating environmental disaster, however an unforeseen side-effect of time travel makes Nova young again and she crash lands into 2025 as a twelve-year old. Nobody seems to take her and her mission seriously, except for Nas - a neglected teen who tries to keep this mysterious girl and her little flying robot ADD out of the hands of the secret service. Will Nova and Nas succeed in saving the future world?

　　影片围绕失去父母的姐姐在面对追求个人独立生活还是抚养弟弟的问题上展开了一段细腻感人的亲情故事。