Dong-Chul and Ji-Soo are a happily married couple. One day, Dong-Chul comes home to find his house in disarray and his wife is missing.

AN EX-COP CONVICT JOINS A SECRET CRIME SYNDICATE WITHIN THE PRISON At nights, prisoners leave the prison to commit perfect crimes. Ik-ho is an inmate who wields king like absolute power in the prison. Yoo-gun is a new inmate charged with a hit-and-run accident, destruction of evidence and bribery. He is a famous ex-detective with a 100% arrest record. Ik-ho pays attention to Yoo-gun who has a strong will and hot temper. Soon enough, Yoo-gun joined the Ik-ho's crime empire as a major part to control the world from the within.