The Coast Guard (해안선 - Haeanseon) is a 2002 South Korean film directed by Kim Ki-duk. The film deals with military atrocities and the absurdities of borders and conflicts.
Kang Sang-byeong is a member of the South Korean coast guard who is eager to shoot a North Korean spy. One evening he shoots and kills a South Korean civilian who has strayed into a forbidden zone to have sex with his girlfriend. Kang and the girlfriend of the dead civilian both have mental breakdowns. The woman believes the members of the coast guard are her dead lover, and engages in sexual affairs with them. Though commended after the shooting, Kang is dismissed from the coast guard. He then returns to kill other members of his troop. In the end he goes to Seoul and kills people at random with his bayonet.
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