Synopsis
Perfect Number (용의자X, 2012) is a Korean thriller you can watch online on iFILM, directed by Pang Eun-jin and adapted from Keigo Higashino's novel The Devotion of Suspect X. Math teacher Seok-ko is brilliant and practically invisible — his neighbour Hwa-son is the only thing that registers in his life. When she kills her abusive ex-husband, he steps in.
Not to hide the body. To design the perfect alibi, treating the problem the way he treats a proof: find the cleanest solution, eliminate every contradiction, leave nothing that can be pulled apart. Lee Yo-won and Ryu Seung-beom play two people who never say what they actually mean to each other. Jo Jin-woong rounds out the triangle as the detective closing in. The tension comes from knowing who did it from the opening scene; what keeps you watching is the geometry of the lie. Stream Perfect Number (2012) online on iFILM.
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