Kwak Sun Young, Cha Tae Hyun, And Jung Yong Hwa Disguise Themselves In “Brain Works” Kwak Sun Young, Cha Tae Hyun, And Jung Yong Hwa Disguise Themselves In “Brain Works” “Brain Works” has shared a sneak peek of an intriguing undercover investigation! KBS 2TV’s “Brain Works” is a brain science-themed comedy-mystery drama about two men who can’t stand each other but who must work together to solve a crime case involving a rare brain disease. CNBLUE’s Jung Yong Hwa plays Shin Ha Ru, a brain scientist who possesses a very “extraordinary brain,” having everything except humanity. Cha Tae Hyun plays Geum Myung Se, a very nice and considerate detective with an “altruistic brain.” In the newly released stills, Geum Myung Se and Seol So Jung (Kwak Sun Young) showcase their perfect chemistry while acting out an old married couple together to infiltrate a cult for their investigation. Geum Myung Se is sitting in a wheelchair with his wig hat on, and Seol So Jung is wearing a luxurious outfit and an expensive pearl necklace while standing next to him to look like a wealthy old couple.