Gu Xi is about to lose her job because of undocumented citizenship status. While making use of all her social connections in her effort to get official registration papers, she also faces another challenge: getting along with her brother’s new girlfriend, Qingchang. As winter sets in and temperatures plunge, the relationship between Gu Xi, her brother Gu Liang, and his girlfriend becomes increasingly unclear, threatening to freeze overitself. Meanwhile, more trouble brews as a dead body is found floating in the sea, and a mysterious tape repeatedly brings Gu Xi to flit back and forth across the boundary of youth and adulthood. What she doesn’t know is that she is about to lose everything.