Secret Service field agent Ethan Renner (Kevin Costner) dedicated his life to the CIA but when he's diagnosed with a terminal illness, he retires from his high stakes life in order to reconnect with his estranged family.

When the agency offers him a life-saving experimental drug in exchange for one final but extremely dangerous mission, he reluctantly agrees. As well as tracking down a ruthless terrorist, he takes sole responsibility for his daughter, endeavouring to complete his two toughest assignments yet.