The video shows a man wearing a white shirt and pink shorts swimming underwater. He is surrounded by colorful building blocks that are stacked on top of each other. The blocks are in various colors such as red, blue, green, and yellow. The man is holding onto a chain that is attached to the blocks, and he is moving through the blocks as if he is navigating through a maze. The water is clear, and the light from above is shining through, illuminating the scene.