Niu Xiaobo was born in a family of small coffin, while a bizarre accident, he lost forever "smile", but has been living in the countryside, simple environment didn't make him feel not "smile" is a very serious thing. Grow up to leave out of the mountains, raising his coffin shop, to the outside world to go, but still had to go to the funeral home work. At the funeral home small wave witnessed the vicissitudes of life, from the point of view of a funeral home handyman perspective, to understand the affection, friendship, love, in "the last leg of life" on the platform, let the wavelet grow slowly. Niu Xiaobo eventually learned to "smile", but in the end a loved one uncle Li Qingsong left him one day.