Mostafa Alemian

Babak who is a doctor in Kashan works in his father's hospital. But when he meets Mahmoud who has cancer his life changes drastically.

A professor who found out a formula to make diamonds from oil is killed in Tehran and his nephew who is a spy is sent to Tehran by Interpol in order to find the formula.

Homayoun, a journalist, finds Parvin's diary in which she describes her suicidal thoughts. Later he gets himself involved in Parvin's life.

With Rezvan's death his nephew Betty comes to Iran from abroad to sell the lands she has inherited from him. Fahim wants the lands for himself but Bahram is preventing him. This put them to confront each other while Betty too falls in love with Bahram.