Upstream - David Chuang - Trailer

Guo Wen-han, Mayor of Wanhe City, was seeking re-election but is kidnapped a few days before polling day by a young man from the North Bank, a poor and seriously polluted area of the city. A scheme plotted by a local petrochemical company, hoping to ensure Guo’s victory in the election so that their expansion application could be approved, turns to be a real one after the plot goes astray.