Actor Oh Yun-soo is set to reunite with colleague Han Suk-kyu in the forthcoming MBC drama Such a Close Traitor, marking their first collaboration in 31 years. The announcement of her involvement was made on Tuesday. The K-drama is a psychological thriller revolving around Korea's top profiler Jang Tae-soo, played by Han, who stumbles upon a secret about his daughter linked to a murder case he's investigating.