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형사록
即将退休的刑警宅禄接到了一通匿名恐吓电话，还被诬陷杀了人！“找到我吧，我就在你的过去里”。自称是朋友的人邀宅禄玩了场游戏。恐吓犯指示宅禄再次审视自己负责过的案子。为何要挖掘我的过去呢？宅禄为抓到那个家伙，开始积极回顾过往。紧追在那家伙背后的他最终面临令人备受打击的真相。究竟宅禄能否从这场游戏中全身而退？本剧是描述层层揭开完美设局，找出让刑警宅禄掉入陷阱的恐吓犯“朋友”真面目的人性惊悚悬疑剧。
Taek-rok has conflicts with his team leader Yeon Ju-hyun. Seong-a struggles in a juvenile theft probe.
Seong-a gets injured, and Taek-rok tries to uncover the truth. Meanwhile, Gyeong-chan doubts Taek-rok.
Despite Taek-rok's caution, Seong-a pursues probing and ends up getting injured. Meanwhile, Taek-rok meets his old colleague Do-hyung.
Taek-rok reaches out to Lee Young-ho, who is jealous of Do-hyung. Taek-rok stops Seong-a from uncovering the arson case and discovering his secret.
Taek-rok manages to identify an unknown skilled armed force with the help of Team Leader Han's testimony and devises a plan to lure them out.
Despite feeling helpless in the face of his enemies, Taek-rok finds motivation in the determination of those around him and continues his pursuit.
Taek-rok faces his past that he has been shunning and delves into the root of the problem. He is determined to protect his loved ones at all costs.
After successfully apprehending some members of the crime organisation, Taek-rok closes in on the rest of the group.
