Playback is currently unavailable for S1 E1 · Episode 1. Episode details remain available below.
The Legend of the Blue Sea
A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.
- Created by:
- Park Ji-eun
- Cast:
- Gianna Jun, Lee Min-ho, Lee Hee-jun, Shin Won-ho
- Language:
- Korean
- Country:
- Palau, South Korea, Spain
- Network:
- SBS
Episode guide
Seasons
Season 1
Episodes
E01
Episode 1
★ 7.7Episode 1
2016-11-16 · 59mIn 1958, the nobleman Dam-Ryung releases a mermaid back into the ocean. In present-day Seoul, the figure of conman Joon-Jae stands on the same spot.
Current episode
E02
Episode 2
★ 6.8Episode 2
2016-11-17 · 59mJoon-Jae brings a beautiful woman back to his hotel, unaware that she's a mermaid. Jin-Ok realizes she's been scammed and sends men after Joon-Jae.
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E03
Episode 3
★ 9.8Episode 3
2016-11-23 · 58mWith no memory, Joon-Jae finds himself alone on a beach next to a jade bracelet and a single pearl. Meanwhile, the mermaid crosses the ocean to Seoul.
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E04
Episode 4
★ 10.0Episode 4
2016-11-24 · 58mAt the aquarium, Joon-Jae runs into a woman being chased by security. Feeling a sense of déjà vu, Joon-Jae rescues her and brings her home.
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E05
Episode 5
★ 10.0Episode 5
2016-11-30 · 58mJoon-Jae lives with the woman who he names Sim Chung. Fugitive Dae-Young has been on the run for 3 months when a murder occurs near Joon-Jae's house.
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E06
Episode 6
★ 10.0Episode 6
2016-12-01 · 59mSim Chung is involved in a traffic accident. Joon-Jae rushes to the hospital to find her in critical condition.
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E07
Episode 7
★ 10.0Episode 7
2016-12-07 · 59mJoon-Jae tells Sim Chung he loves her. Meanwhile, detective Hong comes across Dae-Young while investigating a murder.
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E08
Episode 8
★ 10.0Episode 8
2016-12-08 · 59mJung-Hoon teaches Sim Chung that jealousy is the way to a man's heart. Meanwhile, Joon-Jae sees an image of a man with a mermaid on an ancient vase.
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E09
Episode 9
★ 10.0Episode 9
2016-12-14 · 59mJoon-Jae finally faces off with his pursuer Dae-Young. He suffers a major injury and confesses his feelings to Sim Chung before losing consciousness.
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E10
Episode 10
★ 10.0Episode 10
2016-12-15 · 59mIn a museum, Joon-Jae sees a figure in a painting that looks just like him. Unable to identify the figure as Dam-Ryung, he grows distraught.
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E11
Episode 11
★ 10.0Episode 11
2016-12-21 · 59mSim Chung leaves the house after learning Joon-Jae is a conman. In a panic, Joon-Jae desperately searches for her.
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E12
Episode 12
★ 10.0Episode 12
2016-12-22 · 59mJoon-Jae is arrested by detective Hong. When Sim Chung realizes they are in danger, she tracks them down.
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E13
Episode 13
★ 10.0Episode 13
2016-12-28 · 59mJoon-Jae is still having strange dreams. Sim Chung hears Joon-Jae say the name Se-Hwa in his sleep. She asks him who he is talking about.
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E14
Episode 14
★ 5.5Episode 14
2017-01-04 · 60mWith Professor Jin's help, Joon-Jae learns he is an ancestor of Dam-Ryung. To avoid a tragic fate, he decides to protect Sim Chung whatever it takes.
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E15
Episode 15
★ 7.2Episode 15
2017-01-05 · 60mSim Chung's heart will stop without Joon-Jae's love. Upon learning this, Joon-Jae talks about his dreams and finding out that Sim Chung is a mermaid.
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E16
Episode 16
★ 10.0Episode 16
2017-01-11 · 61mJoon-Jae and Yoo-Ran have an emotional reunion at Sim Chung's birthday party. Joon-Jae learns why Dae-Young has been chasing him.
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E17
Episode 17
★ 8.5Episode 17
2017-01-12 · 60mAfter almost being caught by Dae-Young, Sim Chung erases his memory. In the process, she witnesses the final moments of Dam-Ryung and Se-Hwa.
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E18
Episode 18
★ 10.0Episode 18
2017-01-18 · 62mAfter Il-Joong's death, detective Hong gets a warrant to search Seo-Hee for evidence. Meanwhile, Chi-Hyun threatens Nam-Doo to get him to cooperate.
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E19
Episode 19
★ 10.0Episode 19
2017-01-19 · 60mChi-Hyun points a gun at Joon-Jae, but Sim Chung jumps in front and is shot. She slips into a coma, causing Joon-Jae to fall into despair.
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E20
Episode 20
★ 10.0Final
2017-01-25 · 61mSim Chung erases Joon-Jae's memory and returns to the ocean. When Joon-Jae wakes up, there's only a single pearl next to him. Three years pass...
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Gianna Jun
Shim Cheong / Se-hwa
Lee Min-ho
Heo Joon-jae / Kim Dam-ryung
Lee Hee-jun
Jo Nam-doo / Park Moo
Shin Won-ho
Tae-oh
Shin Rin-a
Seo Yoo-na
Shin Hae-sun
Cha Shi-ah
Moon So-ri
Ahn Jin-joo
Na Young-hee
Mo Yoo-ran
Hwang Shin-hye
Kang Seo-hee/Kang Ji-yeon
Oh Yeon-ah
Young Kang Seo-hee/Kang Ji-yeon/Hong Nan