Kyndryd I think Flint is that kid who can move rocks.
"just one question; who the HELL is Flint?" indeed.
Watch The Legend of the Blue Sea Online
The drama is a fantasy romance, taking its motif from the mermaid/merman story in Korea’s first historical (romance) storybook. In the Joseon-era storybook, it is recorded that real-life figure Kim Dam Nyeong returned mermaids/mermen that were caught fisherman back to the sea.