Jin-won Choi

A policeman in debt is constantly called by a woman working to collect his debt. When they meet by accident they attracted to each other, and does not realize they already have a hostile phone-relationship. (imdb)

Nearby police stations located in the Seoul districts of Mapo and Seodaemun are usually compared to each other and, consequently, has developed a rivalry. A serial rapist case then occurs causing both stations to work together. (imdb)

Kang Do Chang and Oh Ji Hyuk are detectives in the South Korean port city of Incheon. But they are polar opposites: While the former is a grizzled veteran of almost two decades who uses his experience and personal connections to crack cases, Oh Ji Hyuk is his foil. Instead, he is cool, calculating, and prefers to delve into criminals’ minds to look for clues. (mydramalist)