Silmido is a 2003 South Korean film, directed by Kang Woo-suk. It is based on the true story of Unit 684, though parts of the film are extrapolations as the actual details of events are unknown. The film was both critically well received and a financial success, and was the first film in South Korea to attract a box office audience of over 10 million viewers.
On 21 January 1968, 31 North Korean commandos of Unit 124 are shown to have infiltrated South Korea in a failed mission to assassinate President Park Chung-hee.
As a means of retaliation, the South Korean military assembled a team of 31 social outcasts including criminals on death row and life imprisonment, in a plot to kill Kim Il-sung. The team is designated 'Unit 684'. The recruits are taken to the island of Silmido for training. The mission is offered to the recruits as the only way to redeem themselves and show their loyalty to their country. If they succeeded, they will win their freedom and a new life. With this goal in mind, they endure their training. The training is shown over several months, with the recruits enduring various forms of extremely vigorous training and regular physical punishment, including being
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