A high school teacher quietly living with her female partner faces disruption when her son returns from abroad with his fiancée. When the fiancée’s parents arrive unexpectedly, both families are forced to share the same house, revealing hidden tensions and clashing expectations. As days pass, the teacher’s secret illness and her same-sex relationship come to light, challenging assumptions, exposing long-held secrets, and prompting moments of confrontation, reflection, and reluctant understanding. The story examines the fragile balance between personal truth and family duty, exploring love, identity, and acceptance within the intimate pressures of home life.

一辈子都在铁原中学当老师的父亲要退休了，母亲和两个儿子以及儿媳妇一起前往铁原。卸任仪式并没有像期待的那样隆重相反感觉很是落寞，家人们一起在中国餐馆吃饭的时候父亲宣布了一个惊人的决定。父亲说要离婚的时候，母亲气得说不出话来，而儿子和媳妇也都惊慌失措。偏巧因为暴雪封路没有公车，一家人只能在父亲的小屋里别扭地住了下来。手握一家人经济大权的母亲对于大儿子小两口不是很满意，但大儿媳妇非常想得到公婆的喜爱。而且大儿子和小儿子都需要用钱，但犹豫着不知道如何和母亲开口。说要离婚的父亲在铁原有一个独自生活的房子，而且还种了一块地把收获的土豆分给家人们。过了两天，公车还是没有通行，就这样一起度过三天两夜的一家人不断地相互误会并和解。