The Amateur (1981 film)
When his fiancée is murdered by terrorists, a Central Intelligence Agency (CIA) cryptographer named Charles Heller blackmails his superiors into sending him on a field assignment into Czechoslovakia to assassinate those responsible.Just as he enters the field, the CIA locates the stolen material he had been using to blackmail the agency, eliminating their need to cooperate with him.He nonetheless reaches his safe house, meets his local contact, Elisabeth, and kills two members of the terrorist band.He discovers the location of their ringleader, Schräger, the man who had killed his fiancée, but attracts the attention of the local security forces, who begin following him.Lakos, who has come to respect Heller, helps him and Elisabeth escape back to the west in exchange for his promise to write a book embarrassing the CIA.