kill Kim Il-sung unknown to the outside world, the South Korean Central Intelligence Agency decide to kill all the members of Unit 684. The unit's commander protests, but is told that if his troops failed to follow this order, they too would be killed alongside Unit 684. Torn between his duty to follow orders and his personal honor, the commander intentionally leaks this information to one of the Unit 684 members. The Unit, realizing they are going to be killed that same night, make plans to mutiny. They attack and kill the majority of their guards, and find out from one of the guards that they legally no longer exist, and never would have received recognition for their mission if it succeeded, nor even be allowed to return to society. They decide to escape from the island and make their story known. The 20 remaining members of Unit 684 capture a bus containing civilians and head to Seoul. An official pronouncement is heard over the radio that 20 "armed communist agents" have infiltrated the country, and a state of emergency is declared. After charging through one army roadblock and winning a firefight they are eventually stopped and surrounded by soldiers in front of the Yuhan Corporation building in Dongjak District, Seoul. A firefight ensues, with the Republic of Korea Army showing no regard for the welfare of the civilians on board the bus. Most of the Unit 684 members are either killed or wounded, and many South Korean soldiers are also killed. To avoid further bloodshed, the surviving Unit 684 members release the civilian hostages, before committing suicide using their own hand grenades. An investigation into the incident is shown to have been carried out; however the report is not read and is seen to be filed away in storage. Production Filming took place mainly in South Korea, but underwater and winter training scenes were filmed in Malta and New Zealand, respectively. Reception Silmido was well received by audiences in South Korea, where it was viewed by over 6 million people in its first 26 days, taking in over US$30 million in South Korea during this time alone. Silmido would also gross US$4,540,528 in Japan, as well as US$298,347 from its limited release in the United States. Silmido would go on to become the first film to have a box office audience of over 10 million in South Korea, and