The last of the ancient eagles of Mount Damavand is trapped and put in the smugglers' hands. They want to transport the eagle to the southern ports of Iran since there are too many customers waiting for such a rare bird. These jobbers are going to take the eagle to the Port Bushehr. But the children along with many environmentalists are seeking a way to release the bird. When the news spreads in the southern ports, the coastal people are also involved in the adventure.