Starring: Park Joong-HoonLee Sun-KyunLee Sung-MinJoo Jin-MoDirector: Lim Chan-IkNearby police stations located in the Seoul districts of Mapo and Seodaemun are usually compared to each other and, consequently, has developed a rivalry. The chief at the Mapo police station is Hwang Jae-Sung (Park Joong-Hoon), the Seodaemun police station appoints its new leader Jung Wei-Chan (Lee Sun-Gyun). Jung Wei-Chan graduated from the prestigious police academy. An award for "officer of the year" is given out to the officer able to apprehend the most criminals. The award also comes with a 30 million won cash prize.For this award the two rivals compete even more fiercely. A serial rapist case then occurs causing both stations to work together. The outcome hangs in the air.