Years after her boyfriend left her for the big city and promised to bring her there after he’s settled down, a Chinese woman sets out on a journey to be reunited with him.
Tangshan, 1976. Two seven-year-old twins are buried under the rubble of the deadliest earthquake of the 20th century. The rescue team explains to their mother that freeing either child will almost certainly result in the death of the other. Forced to make the most difficult decision of her life, she finally chooses to save her son. Though left behind as dead, the little girl miraculously survives, unbeknownst to her brother and mother.
Young teen girl Xiu Xiu is sent away to a remote corner of the Sichuan steppes for manual labor in 1975 (sending young people to there was a part of Cultural Revolution in China). A year later, she agrees to go to even more remote spot with a Tibetan saddle tramp Lao Jin to learn horse herding.
Released from jail, Lang returns to his hometown in Northwest China. As part of a dog patrol tasked with clearing stray dogs before the 2008 Olympics, he bonds with a black stray. The two lonely souls embark on a new journey together.