Watch Online Free on Watchseries. This film is a journey into the depths of Lithuanian lakes, where the underwater beauty, silence and terrain that remained unchanged for thousands of years, are accessible only for those who explore them patiently. The viewer is invited to explore them together with the filmmakers and see the unique underwater world that surprises even those who have been researching lakes and their origin for many years. Four divers share their experiences, their secret discoveries and moods of the four different Lithuanian lakes.