In Tehran, sisters Mahya and Zahra grow up as carefree young girls: swinging on the playground bars, playing with Barbies, getting up to mischief. But the many restrictions imposed by society gradually creep into their lives via their traditional family. At the first signs of puberty, the headscarf is brought out of the closet, their grandmother tells them religious stories, and suddenly all kinds of fun things turn out to be sinful.