Chongqing Blues (2010)

Lin Quan Hai, a sea captain and father, returns from a six-month journey and is informed that his 25-year-old son Lin Bo has been shot by the police. In finding out what happened, he comes to realize that he knew little of his son. He starts journeying back to Chongqing, a city where he once lived. He begins to understand the effect that his repeated absence had on his son’s life.
(Source: Wikipedia)