"U-neun nam-ja" is an action movie that tells the story of the entanglement between the killer and the assassin. Although Jang Dong Gun played the role of the killer Kun, it deduces the charm of a man that is rare in other works. 김민희 is played by Mu Jing, the target of the murder, also showed the audience more delicate emotional drama acting skills. However, the film did not get the audience's approval like Li Zhenfan's predecessor, "The Lonely Agent". On the contrary, it fell into criticism of the film’s old-fashioned setting and questioning the director’s ability to direct. The word-of-mouth and box office suffered a double crisis
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"U-neun nam-ja" was called by the media to be a transformational work of Jang Dong Gun before it was released, and Lee Jung-fan was also highly anticipated by the audience because of his directing of the movie "Lonely Guardian". The Jang Dong Gun version plays a killer Kun with melancholy eyes in the film, who died at the hands of a lover in order to protect the beloved woman. Most of the audience thought that the film was still dazzling, fast and sharp in action, with blood splashing and gunfire constantly, but the character setting was too similar to the director’s previous work, "The Lonely Agent", and it seemed nothing new, and too many editing splicing made the overall picture. It looks chaotic, but the foreshadowing is easily solved during the rapid advancement of the plot, completely losing the sense of heaviness that should have been. Coupled with the continuous development of Korean crime action movies, the audience is no longer as easy to satisfy as when watching "Lonely Agent" , Which eventually led to a loss at the box office
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