《旧案寻凶》第 1 季于 2022-10-26 首播。
Detective Taek-rok receives a threatening call and is falsely charged with murder. He desperately recalls the past to find out who the blackmailer is.
《旧案寻凶》第 2 季于 2023-07-05 首播。
The final counterattack of homicide detective Taek-rok, who returns to pursue the blackmailer's friend's hidden mastermind.
