Han River Police

Han Do-Jin is a police officer at the Han River Police Station. He is a bad-tempered yet fair person. His colleague, Lee Chun-Sook, has a completely opposite personality to Han Do-Jin. Doo Na-Hee and Kim Ji-Soo also work at the police station. The officers there work to protect the citizens who come to enjoy the Han River and its surrounding areas, and to prevent the crimes that occur there.