The video shows two cats, one black and one brown, playing with each other on a window sill. The black cat is wearing a white collar and is seen licking its paw and rubbing its face. The brown cat is also licking its paw and appears to be playfully interacting with the black cat. The window sill is white, and the background outside the window is dark, indicating it is nighttime. The cats seem to be enjoying each other's company and are engaged in typical feline play behavior.