When Mr. Esalat is looking for a topic for his TV show, he notices an advertisement in the newspaper about a missing girl. The picture of the missing girl is very familiar to him and he tries to remember where he saw it before. His wife Asieh is a teacher and at home she writes his mother's diary. When he searches for the address in that advertisement, he finds that it belongs to 30 years ago. Asieh is becoming interested in the missing girl too.
Three friends, "Farhad," "Reza," and "Ahmad," make a pact in childhood to meet each other twenty years later—in the spring of 1973. By 1974, Reza has become a pickpocket, Farhad is a millionaire, and Ahmad is a police officer. Farhad can inherit his father's vast wealth only if he reconciles with his wife, "Christine," but he is unwilling to do so. Therefore, he attempts to steal the will and, during a struggle, ends up killing the lawyer. The evidence points to Reza as the murderer. Ahmad is assigned to investigate the case...