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The Legend of the Blue Sea 2016: 1x4

Episode 4

Jun Jae, who had never seen a mermaid before felt a strange sense of vision and helped her escape from the aquarium… On the other hand, a murder happened next door to Jun Jae while the whereabouts of Ma Dae-young is unknown for three months.

The Legend of the Blue Sea: Season 1 Episode 4
Nov. 24, 2016