精简剧情：Doug is an awkward Florida drug addict. Divorced and alone, he shares custody of his young daughter with his ex. Doug's reeling from losing his job at a local strip club, where he takes care of the fish in the aquarium. Things are beyond bleak - so Doug zips his boat out into the Gulf to end the pain of his reality. But at his lowest point, he discovers an injured Mermaid creature clinging to life. For Doug, it's a sign from the Universe - so he brings her home, gives her shelter in his tub and begins to nurse her back to health. He even names her Destiny. As their rapport blossoms, word of his secret gets out and he is forced to protect his new friend by any means necessary.