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Ten years after discovering her murdered uncle, Ena and Detective Hansaem must cooperate to stop a series of similar murders - each linked by strange puzzle pieces.
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Page 1 of 1 · Episodes 1–11
Detective Hansaem suspects Ena after she fails to remember anything about her uncle's murder.
Gi Eun-you (Choi Jun U / Jun Seo's Brother), Joo Hae-eun (Yeom Se Ryung / Ena's Roommate), Han Sung-soo (Jun Seo's Father), Shin Kang-kyun (Convenience Store Owner), Ko Dong-hyoung (Crime Scene Investigator), Gu Hyun (Choi Jun Seo)
A puzzle piece arrives on the same day as a murder, and Hansaem suspects it’s no coincidence.
Kim Do-gun (Police Cadet), Park Jeong-yun (Bartender), Son Byeong-uk (Police Executive), Jeong Han-bin (Police Executive), Kim Kwan-jang (Police Executive), Park Sin-un (Ho-geun's Driver), Choi Sung-hyuk (Apartment Security Guard), Kwon Han-sol (Yoo Jeung Eun / Bar Manager), Park Mi-hyeon (Hong Ra-eun / Hansaem's Mother)
Ena and Hansaem warily work together to solve the case.
Kwon Han-sol (Yoo Jeung Eun / Bar Manager), Park Mi-hyeon (Hong Ra-eun / Hansaem's Mother), Moon Chang-gil (Lee Do Won), Kang Hak-soo (Lee Du-cheol), Son Seong-chan (Dry Cleaners Owner), Joo In-young (Nursing Home Manager), Kwak Min-ho (Restaurant Manager), Lee Hee-jun (Kang Chi-mok / Restaurant Chai President)
A prime suspect emerges, but things aren't what they seem.
Kwak Min-ho (Restaurant Manager), Lee Hee-jun (Kang Chi-mok / Restaurant Chai President), Cha Si-won (Hired Driver), Shin Mi-yeong (Housekeeper), Lee Sang-won (Y Hotel Receptionist), Nam Yoon-ho (No Jae-uk / Yang Hui's Lover), Ok Ja-yeon (Seo Yang Hui / Chi-mok's Wife)
Another puzzle piece arrives, and a new murder case unfolds.
Nam Yoon-ho (No Jae-uk / Yang Hui's Lover), Ok Ja-yeon (Seo Yang Hui / Chi-mok's Wife), Park Jin-young (Yeom Dong-han / Recycling Plant Janitor), Im Cheol-hyung (Kim Gab-je / Recycling Plant Worker), Choi Woo-jun (Lee Deok-mun / Recycling Plant Manager), Nam Jin-bok (Yeo Jung-chul / Recycling Plant Worker), Choi Hong-il (Choi Yeong-han / Recycling Plant Worker), Byun Hong-jun (Choi Dong Gyeong / Yeong-han's Son), Shin Yeon-woo (Jung-chul’s Wife)
The meaning behind the drawings on the puzzle pieces is uncovered.
Han Yu-eun (Secretary)
Hansaem makes a shocking discovery and becomes unsure of whom to trust.
Bae Jun-hyung (Oh Yeong-hun)
As the investigation escalates, new suspects begin to emerge.
An unexpected suspect is arrested, shocking everyone involved.
A stunning truth behind the serial murders is revealed.
The final puzzle piece arrives will the team be able to catch the killer in time?
Images © their respective rights holders · Source: TMDB
