A story of how Park Kang's life is changed on Christmas day. Park Kang is a popular actor, but he is also a scandal maker. His manager is Jo Yoon and they are also long-time friends. One day, Park Kang's ex-girlfriend Soo-hyun suddenly appears in front of Park Kang.

Manager Oh, an employee at a noise pollution treatment center, takes his own life after suffering verbal abuse by local residents demanding a huge amount of compensation. Amid public criticism of regional self-centeredness, Taeseung joins the center as his successor. With his heart set on getting promotion, Taeseung immediately goes around asking for signatures. As the local residents cooperate in order to avoid further public criticism, the promotion seems to be just around the corner. However, when Youngsik and Donggyu get in the way, Taeseung suspects that they may have killed Manager Oh.

Popular card game 'Go, Stop' becomes horrific in this thriller, as a group of players in the countryside start to die one-by-one. Yet when a substitute player is brought in, he begins to think that the game itself is the source of the problem.

Jung-Jin is a criminal profiler and he came from the FBI in the United States. Yoo-Min is a detective and he graduated from the top police university, but he is more interested in women then arresting criminals. Jung-Jin and Yoo-Min are called to the special investigation headquarter for a secret meeting. There, Jung-Jin and Yoo-Min receive an order to take down the boss of a criminal organization. The crime boss, with the help of people in power, appears untouchable.