Perfect Number
A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.
Cast
Ryoo Seung-bum
Lee Yo-won
Cho Jin-woong
Kim Yoon-sung
Kim Bo-ra
Lee Seok-jun
Lim Sung-min
Kwak Min-ho
Kwon Hae-hyo
Nam Moon-chul