Unforgiven (2016)

After his girlfriend's murder in Seoul, Tang Shuo joins detective Shin Jun-hyun to solve a series of locked-room murders. Though they catch a suspect, he suspects a larger scheme. With help from a journalist and a student, he stays in Seoul, using sharp deduction to uncover the true mastermind.

• First Air Date: 2016-07-20
• Last Air Date: 2016-08-18
• Total Seasons: 1
• Total Episodes: 20
• Episode Runtime: 45 min.
• Network: iQiyi
• Director: Guo Shubo
• Writers: Jie Bai, Lu Wenying.