"The K2," tvN's new action drama, has premiered last week and received positive response from the audience. The drama is starred by Ji Chang-Wook and Girl's Generation member Im Yoona and promises non-stop action and romance.

Since tvN prepared the drama, "The K2" has been one of the most anticipated new series. The drama was shooted in many locations, including in Spain. According to Newsen, its cast member Yoona flied to Spain early this month to shoot the drama in San Roque,

The story revolves around a former secret agent from JSS special force Kim Je-Ha (Ji), who became a fugitive. Afterwards, Choi Yoo-Jin (Song Yon-A) the wife of chaebol and presidential candidate Jang Se-Joon (Jeo Sung-Ha) hired him to become her bodyguard. Se-Joon has an illegitimate daughter Go Anna (Yoona), who later became involved in a relationship with Je-Ha.

Je-Ha became entrapped in a political intrigue in Se-Joon's family, which has a lot of secrets. Anna also suffered from a traumatic experience during childhood, as she suffers fron anthrohobia (fear of people) and photofobia (fear of light). She went home to Korea from Spain so that her existence wouldn't pose a threat to his father's presidential race.

The chemistry between two lead characters is building very well, as Yoona and Ji are able to deliver good performance in "The K2". Director Kwak Jung-hwan praised them as a good actor and actress according to Soompi.

"Ji Chang Wook and Yoona are actors that will become even better in the future. There is a lot of potential for development," he said. "Both of them are putting their all into giving a passionate performance."

Furthermore, both Ji and Yoona are also playful but maintain their professional relationship as Koreaboo reported. In one interview about the drama, they doodled at each other faces and taking picture of their funny face.

"The K2" is aired every Friday and Saturday on tvN at 8:00 p.m KST (GMT+9).

Watch the teaser trailer for "The K2" series from tvN channel below: