To him the only unsolvable equation was love.
A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.
Ryoo Seung-bum
Suk-go
Lee Yo-won
Hwa-sun
Cho Jin-woong
Detective Min-bum
Kim Yoon-sung
Sang-joon
Kim Bo-ra
Yoon-ah
Lee Seok-jun
Nam Tae-woo
Lim Sung-min
Jung-sook
Kwak Min-ho
Chul-min
Kwon Hae-hyo
Team Leader
Nam Moon-chul
Director
Kim Ah-ron
Girl
Kim Joo-ryoung
Madame
Black Widow
1987
Safe Haven
2013
The Pelican Brief
1993
Following
2024
Helpless
2012
Overdrive
2017
Thick as Thieves
2009
The Blue Gardenia
1953
Leave Her to Heaven
1945
Fear in the Night
1972
The Piper
2015
Miss Marple: They Do It with Mirrors
1991
Nick of Time
1995
Islands
2025
Private Eye
Shadow of a Doubt
1943
Chief of Station
The Red Shoes
2005
Possession
2002
Children...
2011
![Perfect Number (용의자 X) - Official Main Trailer w/ English Subtitles [HD]](https://img.youtube.com/vi/F4k1YgfC_wg/hqdefault.jpg)
