In the video, a man is seen sitting at a table with a clear glass filled with a green liquid. He is wearing a red shirt and sunglasses. He uses a dropper to add a yellow substance to the liquid, which causes it to change color. The man then picks up a bottle of clear liquid and pours it into the glass, causing the liquid to change color again. He continues to add different substances to the glass, each time causing the liquid to change color. The man seems to be conducting some kind of experiment or demonstration.