Like a crime-fighting superhero of the high seas, Sea Shepherd founder Paul Watson has spent his life sailing the globe to keep our oceans and their inhabitants safe. Blending revealing contemporary interviews with Watson, archival clips of Sea Shepherd's dramatic encounters, and spectacular underwater nature footage, Lesley Chilcott paints a portrait of a man willing to put his own life and liberty at risk in a relentless quest to protect the oceans and the marine life within.