A young couple prepares for the arrival of their son: Atí. The child's first toy is a wooden bird that hangs over his crib. Bird that, before the child's eyes, comes to life. Atí grows in the company of this bird. Together they create a world in which reality is transformed to your liking. With time, Atí's life changes and he forgets the toy, until one day, he finds it again, and then, everything ...