Perfect Number

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.

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

?

Kim Ah-ron

Kim Joo-ryoung