White Christmas

Kim Yo Han is a psychiatrist who gets involved in a serial murder when his car broke down on Christmas Eve during a sudden storm and he is forced to take shelter at a private high school. Seven students and a teacher are also there over the winter break, but they are gradually murdered one by one as they receive letters from a killer who wants revenge for the death of his mother and sister.

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  Sung JoonChoi Chi-hoon
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  Kim Sang-kyungKim Yo-han
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  Lee Soo-hyukYoon Soo
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  Baek Sung-hyunPark Mu-yeol
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  Kim Young-kwangJo Young-jae
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  Kwak Jung-wookYang Kang-mo
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  Hong Jong-hyunLee Jae-kyu
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  EsomYoon Eun-sung
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  Kim Woo-binKang Mi-reu
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  Jung Suk-wonYoon Jong-il