The video shows a black flag with a white geometric design hanging from the rigging of a boat. The flag is rectangular and has a ragged bottom edge. The white design consists of eight lines radiating from a central point, with a small rectangle at the end of one line. The boat is docked in a harbor or marina, with mountains and buildings visible in the background. There are other boats nearby, as well as ropes and other rigging elements on the boat where the flag is hanging.