Seemingly an ordinary math teacher in high school, Suk-go is indeed a brilliant mathematician. Hwa-sun is his neighbor. They become inseparable when Suk-go decides to cover up Hwa-sun's accidental murder while she was mercilessly beaten by her ex-husband.
Perfect Number
Brilliant math teacher formulates the perfect cover-up, after his neighbor murders her abusive ex-husband.
Stream Perfect Number
![Perfect Number (용의자 X) - Official Main Trailer w/ English Subtitles [HD]](https://img.streamtheatre.com/yt/w/355/F4k1YgfC_wg/sddefault.jpg )
