Original title
세이렌
Released
3/2/2026
Origin country
KR
Genre
Crime, Drama, Mystery
Production companies
Studio Dragon, CJ ENM
Status
Ended
Number of seasons
1
Number of episodes
12
Ace insurance investigator Cha Woo-seok hunts a fraud ring tied to mysterious deaths and becomes dangerously entangled with Han Seol-ah, a flawless art auctioneer whose lovers all seem to die. As attraction and suspicion blur, he must uncover whether she’s a killer or a victim, before the truth costs him his life.
Tenacious insurance fraud investigator Cha Woo-seok gets a tip on an insurance murder, but the caller dies. Death seems to follow Han Seol-ah.
Woo-seok and detectives dig into Seol-ah's past to expose insurance murders, finding an odd pattern among her lovers. Amid doubt, his tenacity grows.
Chair Kim offers conditional succession. Seol-ah gets entangled with Jun-beom, Woo-seok nears her, and wine arrives in a dead man's name.
Hearing a recording of Seol-ah, Woo-seok feels pity and grows curious. The police arrest Seol-ah at the auction, and she resolves to end everything.
Woo-seok suggests posing as lovers, and Seol-ah agrees. Jun-beom consigns a painting to her, tension grows, and Woo-seok faces a shocking truth.
Seol-ah receives a threat and faces danger. Saved by Woo-seok, the two trace links between Paek Jun-beom and Lee Su-ho as Woo-seok is pursued.
Seol-ah traces the artwork fire incident to Chair Kim, learns of Woo-seok's wound, and confronts Jun-beom as Woo-seok probes Jun-beom and Su-ho.
Woo-seok spots links between the artwork fire incident and his sister's accident. Seol-ah follows Jun-beom to his villa, and the truth is revealed.
An unexpected death shakes everyone. Afraid of losing Woo-seok, Seol-ah pushes him away. Back at the auction, she hastens plans against Chair Kim.
Woo-seok and Seol-ah find a lead, but a painting raises her suspicion again. She prepares a final strike and enters the secret vault with Woo-seok.
Seol-ah steps onto the final auction. She and Woo-seok seem to succeed in revenge, but its pain lingers. Another death warns the tragedy isn't over.
Woo-seok and Seol-ah fight to save each other. They embrace their wounds, trying to reclaim daily life, perhaps with something left to protect.
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