Shadow Detective

Detective Taek-rok gets a prank call. The unknown caller says something he cannot ignore.

Taekrok realises the mistake he made in the past. The caller gives orders that cause Taekrok to become suspicious of everyone around him.

Seong-a and Gyeong-chan decide to help Taek-rok, who realizes the blackmailers target is not him.

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Taek-rok has conflicts with his team leader Yeon Ju-hyun. Seong-a struggles in a juvenile theft probe.

Despite Taek-roks caution, Seong-a pursues probing and ends up getting injured. Meanwhile, Taek-rok meets his old colleague Do-hyung.

Taek-rok manages to identify an unknown skilled armed force with the help of Team Leader Hans testimony and devises a plan to lure them out.

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.