Overview

• The series follows profiler Yoon E-na and detective Kim Han-saem as they unravel murders linked to a decade-old cover-up over the demolition of Seoul’s Shindonga Market.
• Critics highlighted the dynamic chemistry between Kim Da-mi and Son Suk-ku, noting their tense partnership drives much of the show’s appeal.
• Each victim was tied to the original Shindonga Market cover-up, turning every crime into a reckoning for those who concealed the truth.
• Production design and costumes lean heavily on puzzle imagery, with creators saying it reinforces the narrative’s mystery-driven atmosphere.
• The finale teases a fresh murder marked by a single puzzle piece, setting the stage for further investigations beyond the current season.