Yehya, a police officer, decides to leave the force after successfully protecting the President from an assassination attempt in the late 1990's. He is subjected to an assassination attempt that results in the death of his son and wife, and starts his journey for revenge.
A college professor rebelling on political situations, holds a big governmental position after the revolution, but he gets shocking surprises.
A crook manages to evade capture for a long time as he switches between various identities that make it difficult for the police to catch him. As he is finally caught by the police officer who has spent his life chasing him, both of them are changed forever by a series of events.