Actor Jin Goo has returned to the small screen with a compelling performance in the JTBC weekend drama 'Mr. Plankton' (신입사원 강회장), which premiered on the 30th. He stars as Kang Jae-sung, the eldest son of the Choi Sung Group and CEO of Choi Sung Trading, portraying a cold-blooded and calculated character fueled by extreme ambition. The narrative follows Kang Jae-sung and his sister, Kang Jae-kyung (played by Jeon Hye-jin), as they engage in a power struggle to seize management rights, even resorting to betrayal against their father, Chairman Kang Yong-ho (played by Son Hyun-ju). Jin Goo's nuanced portrayal of the character's internal anxiety and ruthless desire has been praised for heightening the tension of the series. | Actor Jin Goo has returned to the small screen with a compelling performance in the JTBC weekend drama 'Mr. Plankton' (신입사원 강회장), which premiered on the 30th. He stars as Kang Jae-sung, the eldest son of the Choi Sung Group and CEO of Choi Sung Trading, portraying a cold-blooded and calculated character fueled by extreme ambition. The narrative follows Kang Jae-sung and his sister, Kang Jae-kyung (played by Jeon Hye-jin), as they engage in a power struggle to seize management rights, even resorting to betrayal against their father, Chairman Kang Yong-ho (played by Son Hyun-ju). Jin Goo's nuanced portrayal of the character's internal anxiety and ruthless desire has been praised for heightening the tension of the series.