Watch Waves for Free: How to Stream the Movie Online at 123Movies. . Adapted from Eduard von Keyserling’s 1911 novel of the same title, Waves depicts both the lives and loves of an aristocratic German family during a summer holiday on the Baltic coast of what is now Lithuania, as well as the twilight of a social order and its mores in a world soon to be plunged into the cataclysm of world war.