The Target (1975)

Two brothers are separated from each other for many years. Khosrow is now a police officer but his missing brother Essi is a thief. Essi gets release from the prison but is in need to money for the treatment of his ill son so he participates once again in a rubbery with a gangsters mob. The police brother is involved in the events too. Essi when sees a special mark on his brother's hand recognizes him but the mob taking him as an hostage. Essi threatens them not to hurt his young brother.