When two brothers are forced to fight in the Korean War, the elder decides to take the riskiest missions if it will help shield the younger from battle.

In this Korean omnibus film, three stories and relationships between the North and South are explored - stories about a hopeless romance, an unknown future and an expected and coincidental comfort.

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.

Based on the long running play by Jang Jin, the story is set in Korea during the Korean War in 1950. Soldiers from both the North and South, as well as an American pilot, find themselves in a secluded and naively idealistic village, its residents unaware of the outside world, including the war.

A poor North Korean fisherman finds himself an accidental defector, and is groomed to be a spy by an ambitious South Korean military officer.

The son of a North Korean spy decides to follow in his father's footsteps to protect his little sister. After his father's botched espionage mission, North Korean Myung-hoon and his young sister Hye-in are sent to a labor prison camp. In order to save his sister's life, Myung-hoon volunteers to become a spy and infiltrates the South as a teenage defector. While attending high school in the South, he meets another girl named Hye-in, and rescues her when she comes under attack.

After completing his required decade of military service and being honored as a hero, a North Korean sergeant makes a sudden shocking attempt to defect to the South, risking life and limb for the chance to finally determine his own destiny.

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.

Diplomats from the North and South Korean embassies in Somalia attempt a daring joint escape from Mogadishu when the outbreak of civil war leaves them stranded.

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.

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.

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 spies share a secret bond, despite their loyalties. A North Korean assassin is sent to Seoul to kill a dissident, but instead he teams up with a South Korean agent in search for revenge.

In 2029, an elite police squad combats an anti-reunification terrorist group while another enemy lurks nearby.

A growing friendship with their neighbors softens the resolve of a group of North Korean spies who are posing as an ordinary South Korean family.

Jung-ho, the former South Korean undercover hid in North for 20 years. When he finally flees back to South, his dead wife starts to appear and haunts his memory. Tracing back his faint memory he looks for his old colleagues who are supposed to return to South but they’re all missing or dead. 20 years ago Jung-ho got a mission to help North Korean officer and his family to exile to South. However the operation failed and this made him have an irrevocable decision. The secret past that Jung-ho never wants to reveal is about to come out 20 years later in the South.

Making use of her Chinese that she had picked up while living in China, Han-young obtains her tour guide-interpreter's license and starts working as a guide in Korea. She gets used to her new surroundings and gains good results at work. However, she is forced to face challenges and changes as she loses touch with her brother In-hyuk, and the number of Chinese tourists decreases due to political tension between Korean and China.

In a small North Korean village near the border of China, there are believers who get together in an underground church, away from the eyes of the persecuting government. When the missionary from China, their only support route, is cut off, things begin to get very tense. Chulho, who had been arrested along with his wife, returns. After losing his wife in the interrogations, Chulho had been released and unseen for 2 years before coming back to his home, claiming that he had been commanded by God to lead the believers across the border and into South Korea. The brothers wonder if Chulho is trustworthy, and whether it is the right thing to do to leave their homeland.

Sung-Min delivers food supplies to the Kaesong Industrial Complex. The Kaesong Industrial Complex is a joint inter-Korean economic project north of the DMZ. There, he sees North Korean employee Sook-Hee everyday and he is interested in her. One day, Sook-Hee shows interest in the song which Sung-Min is listening to.