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Perfect Number

2012 · Movie · 120 min · ★ 6.6 · 67% critics

ThrillerMystery

After a neighbor kills her abusive former partner, a brilliant math teacher devises an elaborate plan to hide the crime. As pressure builds around the case, the story follows a tense battle of wits shaped by guilt, loyalty, and deception.

Based on The Devotion of Suspect X

Also known as Suspect X

Where to watch

Watch free on Tubi.

2 hours to watch.

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Details
Original title
용의자X
Years
2012
Release date
2012-10-18
Language
Korean
Runtime
120 min
Max quality
HD
Critic score
67/100
TMDB rating
6.6/10 (74 votes)
About

You may like this if you enjoy tense, brainy crime stories with moral dilemmas, especially if Helpless or The Devotion of Suspect X appeal to you; Not for you if you want a lighter, more action-driven thriller.

Pros: clever crime premise; tense cat-and-mouse feel; intriguing moral stakes | Cons: dark subject matter; emotionally cold tone; limited lighter moments

Themes

  • based on novel or book
  • woman director

Cast & crew

Directed by Pang Eun-jin