A Cornish Odyssey is a hero's journey around the coast of Cornwall, only this hero is an unhappy photographer/art teacher from California, trying to escape his family, his sometimes girlfriend, Charon, and his job at an arts/science high school. Grant Decker has just turned 40 and is realising he has someone else's life. He finds himself struggling in a foreign, beautiful country, which surprises him and presents new possibilities for living. When he reaches Zennor and learns the story of the mermaid there, he recognises his own dual nature and begins a personal transformation that sets him on the path of his true life.