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.
Top Billed Cast
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Yang Qiming
Tang Shuo (20 episodes)
Cai Wenjing
Wang Anqi (20 episodes)
AS
An Sung-ho
Shin Jun-hyun (20 episodes)
SH
Semi Hwang
Zheng Caien (20 episodes)
JH
Jin Haochen
Zhou Haochen (20 episodes)
PK
Park Ki-ho
Lee Tae-seok (20 episodes)
Media
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