The video features a scuba diver underwater. The diver is wearing a black wetsuit, a scuba mask, and a breathing apparatus. The water is clear and blue. Throughout the video, different text overlays appear on the screen, including phrases such as \"The Rules of Diving,\" \"You have to know,\" and \"Decompression Sickness.\" The text is white and contrasts with the blue background of the water. The diver is seen making hand gestures, possibly to emphasize the points made by the text overlays.