A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.

Directed by: Pang Eun-jin
Written by: Kim Tae-yun & Lee Gong-ju & Lee Jung-hwa
Release date: 2012-10-18
Runtime: 120 minutes
Tagline: To him the only unsolvable equation was love.
Cast:
Ryoo Seung-bum Ryoo Seung-bum
Suk-go 
Lee Yo-won Lee Yo-won
Hwa-sun 
Kim Yoon-sung Kim Yoon-sung
Sang-joon 
Kim Bo-ra Kim Bo-ra
Yoon-ah 
Kim Ah-ron Kim Ah-ron
girl 
Cho Jin-woong Cho Jin-woong
Detective Min-Bum 
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Also known as:
  • Suspect X
  • Yong-eui-ja X
  • 용의자X
  • Подозреваемый Икс
  • 容疑者X 天才数学者のアリバイ