A virus breaks out and a chilling massacre rages through the streets of Montevideo. The sick become hunters, and only calm their fever by unscrupulously killing all those not yet infected. Unaware of this, Iris and her daughter spend the day in the sports club where Iris works as a security guard. When the night comes a fight without mercy is about to begin. The ironly hope of salvation arrives when they discover that after each attack the infected seem to have 32 seconds of peace before charging again.
來自首爾的啞語美術老師仁浩（孔宥）來到霧津，應聘慈聾啞人學校。天降大，他意外撞車，維修邂逅了人權組織成員珍（鄭有美飾）。仁妻子早亡，8歲女兒天生哮喘由祖母照看，以他不辭辛苦謀職養(yǎng)。然而，雙胞胎的校與教導主任竟逼仁浩賄5千萬韓元。同時，仁浩逐漸發(fā)現(xiàn)學校籠著一種緊張壓抑的氣，令人窒息。有三個子引人關注：聰穎的妍斗（金賢秀飾）、吃的陳宥利（鄭仁絮）和弟弟自殺身亡的民秀（白承煥飾），秀總是滿臉淤青。下后，仁浩還聽到女廁中有呼喊與哭泣，在衛(wèi)的阻攔下他未深究之后。他意外目睹了長行賄警察，教導員打民秀，宿導溺罰妍的行徑。一個驚天的秘被慢慢揭開，真相韓國震驚……
本片取材于2005年光州一所聾啞障礙人學校的真實件，改編自韓國作家枝泳的同名小說。