Season 1

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  7.7/10228 votes

  Destiny

  Season 1 Episode 1 - Aired 11/16/2016

  In 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.

  Director: Unknown

  Writer: Park Ji-eun

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  8.0/10171 votes

  Meet

  Season 1 Episode 2 - Aired 11/17/2016

  Joon-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.

  Director: Unknown

  Writer: Unknown

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  8.1/10159 votes

  Find Again

  Season 1 Episode 3 - Aired 11/23/2016

  With 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.

  Director: Unknown

  Writer: Unknown

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  8.1/10154 votes

  Premonition

  Season 1 Episode 4 - Aired 11/24/2016

  At 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.

  Director: Unknown

  Writer: Unknown

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  8.2/10135 votes

  Reduplicate

  Season 1 Episode 5 - Aired 11/30/2016

  Joon-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.

  Director: Unknown

  Writer: Unknown

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  8.3/10139 votes

  Jealousy

  Season 1 Episode 6 - Aired 12/1/2016

  Sim Chung is involved in a traffic accident. Joon-Jae rushes to the hospital to find her in critical condition.

  Director: Unknown

  Writer: Unknown

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  8.1/10136 votes

  Jealousy for Love

  Season 1 Episode 7 - Aired 12/7/2016

  Joon-Jae tells Sim Chung he loves her. Meanwhile, detective Hong comes across Dae-Young while investigating a murder.

  Director: Unknown

  Writer: Unknown

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  8.1/10129 votes

  Sincere

  Season 1 Episode 8 - Aired 12/8/2016

  Jung-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.

  Director: Unknown

  Writer: Unknown

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  8.1/10131 votes

  Reveal

  Season 1 Episode 9 - Aired 12/14/2016

  Joon-Jae finally faces off with his pursuer Dae-Young. He suffers a major injury and confesses his feelings to Sim Chung before losing consciousness.

  Director: Unknown

  Writer: Unknown

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  8.5/10142 votes

  Altruism

  Season 1 Episode 10 - Aired 12/15/2016

  In 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.

  Director: Unknown

  Writer: Unknown

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  8.2/10133 votes

  Hurt

  Season 1 Episode 11 - Aired 12/21/2016

  Sim Chung leaves the house after learning Joon-Jae is a conman. In a panic, Joon-Jae desperately searches for her.

  Director: Unknown

  Writer: Unknown

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  8.3/10129 votes

  Sweet

  Season 1 Episode 12 - Aired 12/22/2016

  Joon-Jae is arrested by detective Hong. When Sim Chung realizes they are in danger, she tracks them down.

  Director: Unknown

  Writer: Unknown

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  8.2/10129 votes

  Episode 13

  Season 1 Episode 13 - Aired 12/28/2016

  Joon-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.

  Director: Unknown

  Writer: Unknown

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  8.2/10127 votes

  Episode 14

  Season 1 Episode 14 - Aired 1/4/2017

  With 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.

  Director: Unknown

  Writer: Unknown

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  8.4/10133 votes

  Episode 15

  Season 1 Episode 15 - Aired 1/5/2017

  Sim 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.

  Director: Unknown

  Writer: Unknown

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  8.0/10122 votes

  Episode 16

  Season 1 Episode 16 - Aired 1/11/2017

  Joon-Jae and Yoo-Ran have an emotional reunion at Sim Chung's birthday party. Joon-Jae learns why Dae-Young has been chasing him.

  Director: Unknown

  Writer: Unknown

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  8.0/10123 votes

  Episode 17

  Season 1 Episode 17 - Aired 1/12/2017

  After 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.

  Director: Unknown

  Writer: Unknown

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  8.4/10135 votes

  Episode 18

  Season 1 Episode 18 - Aired 1/18/2017

  After 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.

  Director: Unknown

  Writer: Unknown

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  8.1/10137 votes

  Episode 19

  Season 1 Episode 19 - Aired 1/19/2017

  Chi-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.

  Director: Unknown

  Writer: Unknown

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  7.9/10147 votes

  Final

  Season 1 Episode 20 - Aired 1/25/2017

  Sim 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...

  Director: Unknown

  Writer: Unknown