The dog is in shock.

A man in a white t-shirt and black shorts sits on a stool in a room with white walls and a wooden floor, holding a fluffy, long-haired dog with a bushy tail, lifting it up and down in a rhythmic motion as the dog's legs flail; the scene then cuts to a black and white dog with large, expressive eyes sitting on a wooden floor in a different room, looking directly at the camera with a wide-eyed, startled expression as the camera slowly zooms in on its face.