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.

Mansour is a troubled student at school. His mother, Shirin, is divorced, and his father, Esmal-Agha, is a Lompan. Afsaneh, Mansour's teacher, becomes interested in the boy and asks Esmal to stop doing wrong things and raise his son.

Ahmadi is tasked with returning the hawks that have been confiscated from smugglers.

A young guy falls in love with a girl and wants to marry her. But the problems prevent him from marrying the girl making her to commit suicide. After many troubles the young guy manages to rescue her and finally they get marry and live together.

Hossein Tormozi is a taxi driver, and because of poverty, he is unable to marry his cousin Mahin. One day, Hossein meets a Foreign girl named Maria, who just came to Iran with her sister and sister's husband and got lost. Hossein takes Maria for a trip and takes care of her at her mother's house.

Dadashi has a little restaurant, his fiancee Goli and his aunt help him. Dadashi's second job is washing cars, and his dream is to live like a millionaire. He meets a rich man who has the opposite dream, and wants to live a simple and carefree life.

The entire city eagerly awaits Kaku’s return, anticipating his response to a collective injustice they have endured. When Kaku finally comes back, his brother is particularly eager to see him. However, in practice, Kaku appears unexpectedly tame and calm. He yearns for a peaceful life after his release from prison. As subsequent events unfold, Kaku’s capacity for serenity is tested, particularly in the incident involving his brother’s beloved girl and the final confrontation with a neighborhood bully.