With pressure from the Iranian medical community, approval was delayed for a year until Mehrjui began shooting the film in 1974.[5] The film stars Saeed Kangarani, Esmail Mohammadi, Ezzatollah Entezami, Ali Nassirian and Fourouzan.In the film, Kangarani plays Ali, a teenager who has brought his dying father (Mohammadi) to Tehran in order to find medical treatment. They are too poor to afford any help from the local hospital, but Dr. Sameri (Entezami) offers them money in exchange for giving illegal and unsafe blood donations at a local blood bank.