Claus Eriksen is a very experienced flyfisherman, and in this movie he shares his latest discoveries about technique, flies and tackle. There a numerous underwater recordings and we get closer to the sea trout than ever before. New technology has shown us exactly where to find the sea trout along the shore. We shall see more sea trout out there than we expect. Several sea trout following the fly and inspecting it closely. Claus shares his fishing strategies for sea trout during all four seasons – and put theory into practice. He catches many beautiful sea trout. A movie full of useful tips and amazing underwater recordings providing a new detailed insight into the secret world of the sea trout.