A PLASTIC OCEAN begins when journalist Craig Leeson| searching for the elusive blue whale| discovers plastic waste in what should be pristine ocean. In thisadventure documentary| Craig teams up with free diver Tanya Streeter and an international team of scientists and researchers| and they travel to twenty locationsaround the world over the next four years to explore the fragile state of our oceans| uncover alarming truths about plastic pollution| and reveal working solutionsthat can be put into immediate effect.