Pi Zi and Ying Xiong are two cops who are as different as day and night. One does nothing except drink coffee and live a luxurious lifestyle while waiting 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, though a little overzealously for his superior's liking. When a case brrings these two top crime solvers together, sparks fly and light is shed on the dark city, where the nation's President is on friendly terms with the local triad. Watch drama online for free.