Chongqing Blues (Chinese: 日照重慶, pinyin: Rizhao Chongqing; literally Sunshine over Chongqing) is a 2010 Chinese drama film directed by Wang Xiaoshuai. It was selected for the main competition at the 2010 Cannes Film Festival.
(This is information generated from a Wikipedia article, licensed under the GNU Free Documentation License.)
"Lin, a sea captain, returns from a 6 month journey when he is told that his 25-year-old son Lin Bo has been gunned down by the police. In his quest to understand what happened, he realizes he knew very little about his own son. He starts a journey back to Chongqin, a city he once lived. He will understand the impact of his paternal repeated absence on the life of his child."
Quoting the synopsis from the 2010 Cannes Film Festival site.