When Did You See Sahar Last Time?

A girl Sahar who is from a poor family of Tehran's suburbs is not coming back home one night. The mother goes to the police and informs about that. In that same day a body of a girl who is very look like Sahar is find. The parents are summon to recognize their girl's body but it turns out that it belongs to another girl. Major Saeed intervenes in the case and is after answers.