After her parents passed away, Lin Yi returned to her hometown in Yanbian alone. In the 1990s, Yanbian was in the midst of the North Korean War. North Korean defectors were smuggling into the country very seriously, and there were also security problems in Yanbian. On the first day Lin Yi returned to Yanbian, she met Xianjun, who had been smuggling to Yanbian from the Tumen River for several months and was planning to go to South Korea via China. The two of them began to drift along with the Sino-Korean era.