China tells of a farmer who spent fourteen years looking for her son who was kidnapped at the age of two years. Anhui (Andy Lau) is a farmer, Lei Zekuan (Tak-wah) lost her son in 1999, she continued to search for their children until the whole region part of China. Riding a motorcycle with old large flag attached his face and some information about him, a father refused to give up on the search.
Along the way she meets a young man named Lei Da which is also a victim of kidnapping. Then they form a special bond because they help each other in the search, the loved ones who are also missing. Together they begin a journey that will forever change their lives.