Supernatural beings were once thought to be part of ones imagination. That was until a group of explorers discovered them on an island that had been hidden far out to sea. Since then all sorts of creatures were captured and brought to an institute to be held in captivity. Daily life was a struggle for these supernatural creatures and that included Seren, a siren who had been lured there by a man who had promised her a happy life. Can she ever escape this place and return back to sea? And who is this man who keeps hanging around her?