In order to steal a rare diamond in a casino in Macao, ten Korean and Chinese thieves work together and start off their stealing mission. During the process, both parties secretly competing with each other, at the same time, helping each other. The battle between the two parties is fun, exciting, and beyond your expectation......

Fifteen years ago, a young girl was kidnapped on the way from school. At that time, Park Hae Yeong, who was an elementary school student, witnessed the girl being taken away. A few days later, the girl was found dead, and detectives couldn't find the culprit. Fifteen years later, Hae Yeong is a police officer and criminal profiler. One day, he finds a walkie-talkie that allows him to get in contact with Detective Lee Jae Han who is in the past…...