Milan on Christmas Eve, the city looks cold and gloomy. Lilli and Annibale, a homeless couple, find a baby in a dumpster, a healthy and kicking boy. They take the baby to the closest children’s hospital but once there they experience a surreal situation: none of the doctors or nurses can see the child. Lilli and Annibale are going crazy, they try to insist but in the end they are forced to leave the hospital. However they soon discover that other people actually see the child, like many among their homeless friends, so it seems that for some reason the child is invisible to some and visible to others. The extraordinary event spreads quickly by word of mouth and soon journalists and media start talking about it…