Film, yaklaşan bahar öncesinde sert bir kış geçiren Seul'de Başkan Park'a düzenlenen suikastın ardından yaşananları konu alıyor. Büyük bir kaos yaşananırken herkesin özlemini duyduğu Seul baharı beklenmedik bir yöne doğru yönelir.
1988 Seul Olimpiyatları'na giden günlerde, bir yarış ekibi, büyük bir kara para aklama çetesini ortadan kaldırmak için gizli göreve gider.
After a high-ranking North Korean official requests asylum, KCIA Foreign Unit chief Park Pyong-ho and Domestic Unit chief Kim Jung-do are tasked with uncovering a North Korean spy, known as Donglim, who is deeply embedded within their agency. When the spy begins leaking top secret intel that could jeopardize national security, the two units are each assigned to investigate each other.
26 years ago, state troops were ordered to open fire on civilians in the city of Gwangju who were demonstrating as apart of a democratic movement. Thousands of civilians were killed. Now, a shooter from the national team, a gang member, a policeman, CEO from a large company and director of a private security outfit get involved in a plan to convict the person responsible for the massacre.
The Chun Doo-hwan regime seized power in a coup d'etat, massacred peaceful protesters. People from all walks of life have been fighting the military dictatorship in their own way. And the story of reporter Lee Sang-ho, who has been covering for over 30 years, begins.
There are people whose lives have been shaken by the 'Gwangju Video'. On May of 1980, the course of their lives changed in front of a huge wave of truth in Gwangju. The people who made and spread the 'Gwangju Video' are also the people who had their bodies on the waves. The hidden stories of these people, the 40th anniversary of the Gwangju Uprising, and the pursuit to trace the missing 4 hours of mass shooting will be revealed for the first time.