Helen Webb is a wife, mother, and professional spy who has been passing secrets of her politician husband to the secret organization \"Black Doves\" for 10 years. When her lover Jason is killed, Helen also becomes a target. To protect her agent, the head of the \"Black Doves\" sends her old friend Sam to help Helen. As they investigate Jason\'s death, they uncover a vast conspiracy connecting the criminal underworld of London and an upcoming geopolitical crisis.