2005年韓國舉國嘩然的幹細胞造假風波。著名生物科學家黃禹錫博士被揭發偽造研究成果－宣稱完成全球複製人類胚胎的首例，又發表成功複製11枚與病患匹配的幹細胞，竟全是謊言，真正的明張目膽地子虛烏有!這位被視為諾貝爾獎的大熱門，一夕之間從國寶淪為國恥。面對強大的輿論壓力和國家利益，曾執導《WaikikiaBrothers》、《發球線上》的女導演林順禮憑著對社會事件超強的洞察力，透過公正的立場還社會一個真相，朴海日、柳演錫和柳賢靜捲入科學政治的漩渦之中，惟有以傳媒監察和科研實證的力量，聯手踢爆事件，好戲之人李璟榮出演克隆之父，以非道德手段打造科學偽帝國，演技獲一致激賞。

Based on the notorious 2005 scandal of scientist Hwang Woo- suk who fabricated his stem cell research, Whistle Blower tensely recounts the events that brought about the former national hero’s fall from grace. While the public is in a fervor over Lee Jang- hwan’s (Lee Gyoung-young) successful cloning of human stem cells, intrepid news producer Yoon (Park Hae-il) is investigating him for unethical practices. He stumbles upon a shocking finding when he receives a tip from a whistleblower (Yoo Yeon-seok), but is the world ready to hear the truth? Demonstrating the importance of free press and the dangers of media manipulation and mass denial, this investigative thriller continues Yim Soon-rye’s history of socially conscious filmmaking.