Secretly, Greatly

Secretly, Greatly Hangul RREunmilhage Widaehage is a 2013 South Korean action comedydrama film starring Kim Soohyun, Park Kiwoong, and Lee Hyunwoo, who play North Korean spies who infiltrate South Korea as a village idiot, a rock musician, and a high school student, respectively. They assimilate to small town life while awaiting their orders, until one day, due to a sudden power shift in the North, their mission turns out to be an order to commit suicide.

A group of spies called the 5446 Corps were trained by North Korean elite special forces since their youth, ostensibly towards the lofty goal of unifying Korea. They are ambitiously dispatched to South Korea, where each disguises himself as a fool, an aspiring singer, and a high school student. Passing boring time without receiving any orders from the North, they gradually get used to life as ordinary neighbors in a small town until one day, their mundane lives are turned upside down when a secret and great mission is suddenly assigned to them. Due to the events of the Second Battle of Yeonpyeong, South Korea demands the names, location, and rank ofNorth Korean spies active in South Korea, promising financial aid to the North on the condition that Pyongyang turns in their spies. To prevent the elites from falling into enemy hands, the North Korean government orders dozens of active duty spies to take their own lives. Meanwhile, their North Korean army instructor Kim Taewon crosses the border to eliminate those who refuse to follow.With 498,282 tickets sold on the day of its release, Secretly, Greatly recorded the highest single day opening of all time by a domestic film in South Korea, surpassing the record previously held by The Host, which opened with about 450,000 tickets sold in 2006. Within justhours after its release, the film drew 1,011,025 viewers, becoming the fastest movie to reach the million mark in audience number, in the nation. For its second day which coincided with Koreas Memorial Day holiday, it recorded the largest admissions total for a single day by a domestic film with 919,035 viewers. 72 hours after its release, the number of tickets sold for Secretly, Greatly crossed themillion border, making it the fastest film to do so. On its fifth day of release, the total ticket sales broke themillion mark, as the fastest record of all time. The film recorded the biggest opening we

Source: Wikipedia