The video shows a staircase with wooden railings and a white carpet. There is a significant amount of smoke coming from the bottom of the staircase, which is white in color. The smoke is spreading upwards and covering the staircase. The source of the smoke is not visible in the video. The staircase appears to be indoors, and there is no visible fire or other indication of the cause of the smoke. The video does not show any people or animals in the scene.