After twenty years of marriage, Jiang Yiming and his wife have become strangers living under the same roof. After the children grow up, the functionality of marriage quietly disappears, and the once tacit understanding is eroded by silence day after day. There was no fierce quarrel, only an alienation with nothing to say. The two divided their property calmly at the Civil Affairs Bureau, like canceling an expired account. There is no winner in this belated farewell, leaving only a room full of memories and a silent response to "live for yourself once".