影片讲述了刚步入青春期的小女孩莱莉脑海中的复杂情绪进行的一场奇妙冒险。在她的大脑总部，列车正经历着一场突如其来的大拆迁，列车为意想不到的新情绪腾出空间。一直以来配合默契的情绪小伙伴乐乐（艾米·波勒 Amy Poehler 配音）、忧忧（菲利丝·史密斯 Phyllis Smith 配音）、怒怒（刘易斯·布莱克 Lewis Black 配音）、怕怕（托尼·海尔 Tony Hale 配音）和厌厌（莉萨·拉皮拉 Liza Lapira 配音），在新情绪焦焦的突然到来时变得不知所措，并且她看起来不是孤身一人。
许嘉龄
回复 :黄晸玟日前确定将主演根据《解救吾先生》翻拍的韩国电影《人质》，具体角色尚未透露。黄晸玟原计划在《特工》之后出演尹济均导演的太空题材电影《回归》，但因为该片制作无限延期，遂决定接演电影《人质》。他将在主演话剧《俄狄浦斯》（1月29日－2月24日）的日程结束之后，于今年5月投入《人质》的拍摄。
胡美仪
回复 :退休警察汤姆（塞缪尔•杰克逊 Samuel L. Jackson 饰）开了一家专门替人家清理犯罪现场的公司，主要工作就是在血案发生后帮助被害人家属料理后事。这工作虽然污秽琐碎，但是他却从中总结出了生意经。他和聪明乖巧的女儿相依为命。母亲因故去世令女儿特别依赖父亲。每次他夜不归宿，女儿都会忐忑不安。在一次清理血案现场的工作后，他遇到了被害人的妻子（伊娃•门德斯 Eva Mendes 饰），赫然发现过去同事（艾德•哈里斯 Ed Harris 饰）在办案中存在漏洞，而自己却间接成了帮凶。当初，就是因为忍受不了警队的腐败，汤姆才愤然离去。这次，他重新回到破案的中心，意欲逼近真相，危险也随之而来……
韩磊
回复 :January is forced to return home after six years traveling abroad. A near-fatal accident has left her temporarily wheelchair bound and depleted of her long-term memory. She is accompanied by her boyfriend 'Callum' whom she met whilst traveling. He was also the driver in the fateful accident. Not only has she forgotten her family, but her childhood as well and is surprised to discover that her home is a stately manor in the middle of the country-side. As January tries to settle in, she finds herself becoming even more estranged from her family, who just want their daughter back. The trouble is, she cannot remember who that daughter was, or why she ran away in the first place. Desperate to discover why she left all those years ago and with Callum's help, she sets out to find the truth. They soon discover the family are not as loving as they seem to be. Was there a dark reason why she left them in the first place?
