Silmido (2003)

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.

Betrayed and on the run, a former North Korean agent tries to seek revenge on the man who killed his wife, find his missing daughter, and uncover the secrets hidden inside the eyeglasses of a dead man.

Mr. Kim is jobless, lost in debt and has been dumped by his girlfriend. He decides to end it all by jumping into the Han River – only to find himself washed up on a small, mid-river island. He soon abandons thoughts of suicide or rescue and begins a new life as a castaway. His antics catch the attention of a young woman whose apartment overlooks the river. Her discovery changes both their lives.

When a crime organization from North Korea crosses borders and enters South Korean soil, a South Korean detective must cooperate with a North Korean detective to investigate their whereabouts.

North Korea's 8th Special Forces hijack a shipment of CTX, a potent new liquid explosive, and threatens South Korea as part of a plot to re-unify the two countries. Ryu and Lee, special agents of O.P., South Korea's secret intelligence service, attempt to track down the terrorists and find the CTX. Meanwhile Hee, the 8th's ultra-bad female sniper, resurfaces to wreak havoc and haunt Ryu.

Two North Korean soldiers are killed in the border area between North and South Korea, prompting an investigation by a neutral body. The sergeant is the shooter, but the lead investigator, a Swiss-Korean woman, receives differing accounts from the two sides.

A secret, passionate affair happens in the summer of 1969 between Colonel Jin Pyeong, trapped in a loveless marriage with Soo Jin, and Jong Ga Heun, the Chinese-Korean wife of Captain Kyung Woo Jin.

A squad of soldiers fight in the Korean War's crucial Battle of Incheon.

Korean War, September 1950. In order to fight the enemy forces based in the South of the peninsula, General MacArthur orders the start of the Incheon Landing Operation, deploying diversionary attacks in other locations. Without real military forces to spare, 772 very young Korean student soldiers, barely trained, are sent to Jangsari Beach, where they will face a heroic fate and discover the value of friendship. (A sequel to Operation Chromite, released in 2016.)

When an illicit arms deal goes bad, North Korean spy Pyo Jong-seong finds himself targeted not just by the South Koreans but also his own bosses.