A six-year-old girl (Maryam) who has lost her family in the war, is living in an orphanage. She likes a woman called Fereshteh who lives in a house in front of the orphanage. A family (Nasrin and her husband) adopts her and takes her to the north of Iran. Maryam tries to write to Fereshteh and in a proper situation escapes home to reach her.

While passing the Iranian borders illegally 6 persons are captured by a terrorist group Af'i. The boss of the group is Baktash and they have rivals who are fight them. Meanwhile one of the 6 captured is Shahin who is a secret agent of the Iranian government.