The story is about a man who sees a letter on the back of his car window and sets out to find the person who wrote it. Throughout the film, he confronts realities that he must accept, and his inner turmoil has disrupted his life. This film has received a lot of attention at both domestic and international festivals. “bon bast” was produced in Abbas Kiarostami’s workshop and received his attention. Amir Reza Salari, with 22 years of experience in various film production positions such as producing, directing, writing, filming, and editing, has been active in this field and is the first producer of scientific, university, and artistic video mapping in Iran in the DAY SAN collection with more than 10 years of experience. He holds an honorary diploma from UNESCO and has been recognized by the United Nations, Iranmall, and others