Kim is expelled from his eighth school and finds himself at Volcano High where students fight to possess a treasured ancient document. Kim, who must resist from using his Chi, is caught in the middle.

On 31 January 1968, 31 North Korean commandos infiltrated South Korea in a failed mission to assassinate President Park Chung-hee. In revenge, the South Korean military assembled a team of 31 criminals on the island of Silmido to kill Kim Il-sung for a suicide mission to redeem their honor, but was cancelled, leaving them frustrated. It is loosely based on a military uprising in the 1970s.

Amid a coup, a North Korean agent escapes south with the country's injured leader in an attempt to keep him alive and prevent a Korean war.

Ahn Soo-ji and Lee Jae-joon, who are oblivious to each other's real profession as secret agents, are in an ill-fated relationship. Three years later, they accidentally meet targeting the same enemy.

On a winter morning on the way to work, Kiyoung finds Gilho sleeping on the wooden bench in front of his house. Gilho is a teenager who has run away from home because he can no longer face the domestic violence he suffers there. Kiyoung lets Gilho stay in his house for a few days and Gilho comes to trust Kiyoung. However, as Gilho′s friends visit, conflicts happen between Kiyoung and Gilho.

A debt collector who has lost his sense of pain after being in an accident when he was young falls in love with a street vendor who has acute hemophilia.

Residents, who are evicted from their homes in a designated urban renewal, demonstrate against their removal. The police arrive and attempt to end the demonstration. Death happen that lead to the bigger problem.