Kyun-seok', who was a bastard but had excellent skills, was eventually kicked out of his house and is living in the outskirts, but he is satisfied with his life. One day, his older brother, 'Jin-seok', who had refused 10 years ago, comes to him and tells him that he wants to catch a 'mermaid' who is floating in the rumors.. Yeon-seok remembers the mermaid who saved him from drowning as a child.. A scholar who became a mermaid by a curse and him. A beautiful historical drama BL made by Yeonseok, who has been helped twice by