The video shows a cartoon mouse with big ears and a long tail. The mouse is seen in different scenes, including falling through the air, riding a boat, and sliding down a water slide. The mouse is shown with various expressions, such as happy, scared, and angry. The backgrounds vary from a blue sky with clouds to a dark tunnel. The mouse is also seen interacting with other characters, such as a yellow creature and a red creature. The video is colorful and animated, with the mouse being the main focus.