The Legend of the Blue Sea (Pooreun Badaui Junsu / 푸른 바다의 전설) (2016) imdb

Title: The Legend of the Blue Sea E01 Bangla 16 11 16 (Bangla sub)
Rating  (8.2)
Plot : A county magistrate's plan to release mermaids into the ocean backfires when they're caught by fisherman.
Contributor : Turzo