“The Berlin File” was a big box office success during its screening in S. Korea, reaching million admissions after 14 days of release,[42][43] and eventually a total of 7.17 million admissions. Back in 2015, Ryoo Seung-wan stated that he was planning a sequel to screen in 2017, but the project has yet to materialize.
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Pyo Jong-seong is a North Korean spy who lives in Berlin with his wife, Ryun Jung-hee, a translator for the local embassy. During an arms deal involving Pyo, Russians, Middle Eastern terrorists, South Koreans and the Mosad that goes horribly wrong, he discovers evidence that he may be set up by his own country. Moreover, CIA, a ruthless North Korean agent named Dong Myun-soo, and a South Korean agent named Jung Jin-soo come into the picture, complicating the case even more. Pyo has to decide who betrayed him and choose sides.
Ryoo Seung Wan wanted a film similar to “Bourne” and that is exactly what he accomplished. Having a relatively large budget of $9 million, he managed to shoot a large part of it in Berlin and Riga, and to incorporate very good actors and very impressive action scenes, both with guns and one-on-one combat, where the action choreographer, Jung Doo-hong has done an astonishing job. Furthermore, the cinematography by Choi Young-hwan is at a similar level, presenting a number of elaborate, panoramic shots of Berlin and artfully depicting the many action scenes, with the final one being probably the most imposing.
Apart from the action element, the film also excels in terms of acting (considering the usual standards of the genre) with Ha Jung-woo as Pyo Jong-seong, Han Suk-kyu as Jung Jin-soo and Ryoo Seung-bum as Dong Myun-soo giving wonderful performances.
Probably the sole flaw of the film lies with its script, which  becomes overly complicated after a point, ending up confusing rather than intricate.
Overall, “The Berlin File” may be a gun flick, but it is one of the best and those who enjoyed the “Bourne Trilogy ” films are bound to appreciate it.
Good review, really enjoyed this film.
Thank you Brian, me too