The Numbers Station

The Numbers Station is a 2013 BritishAmericanBelgian action thriller film, starring John Cusack and Malin kerman, about a burnedout CIA black ops agent assigned to protect the code operator at a secret American numbers station somewhere in the British countryside.

A CIA operative, Emerson Kent, is sent to kill a man who owns a bar. Before being killed by Kent, he reveals he is a former agent who wanted to retire. A witness flees the scene, accidentally leaving his wallet behind. Kent finds the wallet and tracks the witness to his home, where he kills him. Kent spares the life of the mans daughter, Rachel, who follows him outside, hysterical. As Kent tries to convince his boss, Michael Grey, not to kill her, Grey strikes Kent on the back and he falls to the ground. Kent and Rachel share a last look at each other as Grey kills her. Kent is transferred to Suffolk, England to watch over a numbers station. While there, he befriends Katherine and is haunted by memories of the woman who was killed. When the numbers station comes under attack, Kent and Katherine barricade themselves inside. One assassin is already inside the secure station and, after a lengthy shootout, is killed by Kent.Kent requests assistance, and the operator tells him help will arrive in four hours since the code has been compromised, he must kill Katherine. Kent notices that Katherine has a serious leg wound and dresses her wound. Kent receives an update from the operator, and, when he reports that he has not killed Katherine yet, the operator orders him to do so immediately. Kent contemplates her death but ultimately decides to recruit her help in tracing fifteen unauthorized messages sent from the station. On the computer, Kent and Katherine discover dossiers of fifteen different government officials, including Grey. The unauthorized codes are instructions to assassinate the officials, and Katherine is to be eliminated so she cant cancel the broadcasts. Kent says that the assassinations would leave the intelligence world crippled and the world unrecognizable. ........

Source: Wikipedia