Hye Sung and Gwan Woo work together again to help with Park Soo Ha's case. (DramaFever)Hye Sung and Gwan Woo work together again to help with Park Soo Ha's case. (DramaFever)Hye Sung and Gwan Woo work together again to help with Park Soo Ha's case. (DramaFever)