Black & White(2009)

Pi Zi and Ying Xiong are two cops who are as different as day and night. One lives a luxurious lifestyle and does nothing but drink coffee and wait for information from dubious sources to crack his cases. Another believes law and justice are the pillars of society and is constantly on the street catching criminals. When a case brings these two top crime solvers together, sparks fly and light begins to creep into the dark corners of Taipei.