In the Gulf of Finland shipwreck hunters come across the remains of a sunken ship. Having examined the images obtained by an underwater robot, researchers come to a conclusion that the wreck remains are that of “Krišjānis Valdemārs” – independent Latvia´s first icebreaker. The story of an icebreaker allows viewers to the look at the history of Latvia between wars from a new angle and provides insights into the little known, but fascinating episodes of a maritime history.