In the 10th episode, Seol-ah and Woo-seok learn about the secret vault of Sun-ae and decide to capture evidence to prove that she has been forging paintings illegally. When Seol-ah enters the vault, she gets locked inside and it triggers an alarm, leaving Woo-seok to somehow save her before Sun-ae arrives.
Siren’s Kiss Episode 11 runs about 65 minutes.
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Siren’s Kiss Kdrama Cast
Park Min-young, Wi Ha-joon, Kim Jung-hyun, Han Joon-woo, Kong Seong-ha, Ha Seok-jin
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Siren’s Kiss Series Director
Kim Cheol-kyu
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Siren’s Kiss Release Schedule
March 2, 2026 – April 7, 2026
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AKA
세이렌
This new Korean drama consists of 12 episodes, with one episode released every Monday and Tuesday at 21.20 KST.

Siren’s Kiss Episode 11 Recap
As Sun-ae arrives, Eun-hyuk tries to distract her, and this makes the viewers wonder why, because Eun-hyuk has no clue about Seol-ah’s plan, atleast that’s what we know. Woo-seok unlocks the vault from the outside and takes Seol-ah to safety. With the video evidence, Seol-ah prepares to reveal the true colours of Sun-ae at the upcoming royal auction.

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The big day arrives, and Seol-ah publicly announces that Sun-ae forged the real paintings and made a profit out of it. Just then, the cops arrive and arrest Sun-ae. Woo-seok and his team enter the vault and hold the original paintings. It is there they realise the real Stiller painting is in the vault, meaning Hyun-su is currently forging it.
Woo-seok rushes and follows Hyun-su to his hideout and captures him with evidence. However, Woo-seok beats Hyun-su into a pulp as the latter triggers him using Woo-seok’s younger sister’s death. Seol-ah arrives with the cops and helps Woo-seok. At his apartment, she cooks him a meal and tells him that she wishes to go through everything together from now on.

The next day at the auction office, all the colleagues support Seol-ah. Meanwhile, at the police station, Hyun-su and Sun-ae are interrogated. Sun-ae gives the least bother as she knows she’ll get out soon. As expected, she is soon out on bail and goes straight to the office. She has a conversation with Seol-ah regarding her reason behind this plot. Seol-ah says that she will avenge her parents’ deaths and walks out of the office.
We then see Sun-ae open a secret tile and take out a ledger. That night, Seol-ah has a drink with Eun-hyuk, where she expresses her love for Woo-seok. This is when we start to suspect that Eun-hyuk is the biggest culprit. Meanwhile, Woo-seok is already in the process of digging into Eun-hyuk after his cop friend tells him that she feels Eun-hyuk isn’t innocent.

That same night, as Sun-ae enjoys a drink and dances in her office, an anonymous man enters and kills her. The next morning, Seol-ah and Eun-hyuk go to Sun-ae’s office to file their resignation letter and see her dead. Seol-ah panics and drinks at her home due to extreme sadness as she didn’t wish Sun-ae’s death but just wanted her to regret.
When Seol-ah mistakenly breaks one of the wine bottles that Seung-jae presented, she sees a hidden note attached to it. Seeing this, both Seol-ah and Woo-seok realise that Seung-jae has always known that Eun-hyuk is suspicious. Seol-ah decides to find evidence about Eun-hyuk while Woo-seok decides to check out Eun-hyuk’s art garage.

As Seol-ah digs through Eun-hyuk’s camera bag, she finds Sun-ae’s ledger and her eyes open wide. At the art garage, Woo-seok finds a secret door that leads to another exit of the garage, meaning Eun-hyuk has been leaving through it to finish his work. The episode ends with Seol-ah calling Woo-seok to warn him, but it’s too late as Eun-hyuk has already pointed his gun at Woo-seok.
Siren’s Kiss Episode 11 Review
The episode piles up the tension, but the twist was predictable. Sun-ae’s crime being revealed is all good, but something about her screams that she has someone much more powerful behind her. Seol-ah, unaware that the killer is still out, decides to take things forward with Woo-seok, but our cop guy’s danger zone just increased.

Eun-hyuk has always had this suspicious aura about him, and it became cruelly evident in this episode. The final moments are especially gripping, with Seol-ah uncovering the ledger and Woo-seok walking straight into danger, creating a perfect storm of suspense. Ending with Eun-hyuk pointing a gun at Woo-seok is a brilliant cliffhanger, leaving viewers wondering what’s going to happen.
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