In what appears to be an impossible task, Newfoundland diver Shawn Bath has devoted himself to cleaning up the ocean floor one rotting tire at a time. On the brink of bankruptcy and a break-up, his obsessive endeavor catches the attention of locals and a controversial non-profit organization that would like to assist him in scaling up his operations. Driven by passion and held back by bureaucracy, this inspiring story highlights the enormity of human-caused environmental damage and the power of an individual's determination to make the world a better place.