Tehran, 1978: Nahid and Masood, both eighteen, are young lovers and young revolutionaries, determined to overthrow the Shah's regime and help to bring about democracy. Their clandestine activities are dangerous, but with youth, passion and right on their side, they feel invincible. Then one night, Nahid allows her younger sister to come along to a huge demonstration. Violence breaks out. Nahid lets go of her sister's hand. Everything changes.