Rex wants to become a painter. The dog’s painting showing an abstract cock is appreciated by a strange painter. He takes Rex to a gallery. The doggie gets a diploma and sells the painting for a sausage. As a great painter, Rex is kidnapped! He will break free... using a brush.
Hens ask Rex to investigate the case of their missing eggs. The dog catches a fox red-handed. He follows the traces of the fugitive. It turns out that the fox breeds chicks in its cave. Rex finds the pit and frees the chicks.