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4th Period Mystery (4교시 추리영역)

4교시 추리영역 (4-kyo-si Choo-ri-yeong-yeok)

Directed by Lee Sang-yong (이상용)

Screenplay by


86min | Release date in South Korea :

During fourth period, high schooler Da-jeong finds his classmate Tae-gyu dead in a classroom and Jeong-hun standing in front of him with blood on his clothes. In order to stop Jeong-hun from becoming the prime suspect, Da-jeong must help him find the real murderer, who is still inside the school building, under 40 minutes before period four ends.


4th Period Mystery | Cast

4th Period Mystery | News

  • [HanCinema's Actor Spotlight] Lim Soo-hyang

    There are many ways for a young actress to enter show business and many paths to choose. Some go for movies, some for drama, some try to aim for romantic comedy, others go for melodrama or sageuk, which are the more popular genres in Korean drama. Some, however, will go for variety and the potential to stand out in different genres and styles of work. Lim Soo-hyang seems to be going for that taste of different things,...More
  • [Exclusive] Ahn Yeong-mi and Jo Sang-geun break up

    2012/01/09, Source,
    Due to national military service and more... they break up after three years. Comedian Ahn Yeong-mi and commercial model Jo Sang-geun, three years her junior, have broken up,...More
  • Kang So-ra Soars to Stardom with 'Sunny - 2010'

    2011/05/28, Source,
    "Sunny - 2010'", the story of seven high school friends who rediscover the best moments of their life at a reunion 25 years later, has attracted over 2 million moviegoers in the two weeks since its release. Kang So-ra, who plays one of the heroines in the film and is the main driving force of the film's popularity, said, "The number of my Twitter followers, which was under 100, soared to over 600 on the release of the film, and most of them are women fans",...More
  • [INTERVIEW] Korean actress Kang So-ra

    2010/07/27, Source,
    Actress Kang So-ra [Lee Jin-hyuk/10Asia] My name is Kang So-ra. I was born on February 18, 1990. I was born early in the year so according to the Lunar calendar, I am a year older, which makes it easier for me to become friends with people born in 1989 but a bit weird to have people born in 1990 call me unni [older sister in Korean], so it's a bit difficult. I published a martial arts novel when I was in fifth grade. The publication was based on a character named Ajin from a martial arts website and this one member whose ID was Nokcheon rooted a lot for me. It's sad that I don't have a copy of it,...More
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4th Period Mystery | Facts

 Lee Sang-yong (이상용)
 Kyeong Min-ho (경민호)
 Lim Tae-hyeong (임태형)
 Distribution department
 Yozoh (요조)
 Music department
86 min HD 16/9
Web site
Festival(s) & award(s)
Sales or release dates & Box Office
Airing dates : 2009/08/12
South Korean Box Office
Source : &
As of 2009.08.23 : 67,234 admissions (total)
As of 2009.08.16 : 50,471 admissions (total)

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4th Period Mystery (4교시 추리영역)

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