Nine Puzzles

May 24, 2025

Detective Yoon Ji-soo (Jeon Do-yeon) and forensic psychologist Cha Hyun-joon (Son Hyun-joo) are assigned a nine-year-old cold case involving nine disappeared women. The Seoul Metropolitan Police Agency building anchors the investigation.

May 25, 2025

The Mapo Bridge features in the discovery of a key piece of evidence connecting the cold cases. The bridge's history lends the scene an unspoken weight.

May 31, 2025

The first of nine connections between the cases is identified. The investigation's intricate structure — each episode revealing one new piece — begins to take shape.

June 1, 2025

Cha Hyun-joon's method — reconstructing the psychology of both perpetrator and victim — starts to yield results. His partnership with Ji-soo is built on friction that slowly becomes trust.

June 7, 2025

The midpoint. Five of the nine puzzle pieces have been found. The emerging picture is more disturbing than either investigator anticipated.

June 8, 2025

A second discovery near Mapo Bridge connects two cases previously thought to be unrelated. The bridge's architecture is used for a night scene of extraordinary tension.

June 14, 2025

A witness from nine years ago is found alive. What she knows — and what she has been afraid to say — begins to close the net.

June 15, 2025

The trail leads into an institution the drama does not name — but makes unmistakably recognisable. The Seoul Metropolitan Police Agency exterior features in a confrontation scene.

June 21, 2025

Eight of the nine puzzle pieces are in place. The shape of what happened is clear. The identity of the person responsible is still one piece away.

June 22, 2025

The ninth piece. Its revelation reframes everything the audience thought they understood about the preceding eight episodes.

June 28, 2025

The evidence is assembled. Getting it in front of the right people — people who cannot look away — requires going beyond official channels.

June 29, 2025

The finale. Jeon Do-yeon's performance, already widely discussed, reaches its peak here. An ending that is simultaneously a resolution and an indictment.