Film adaptation of the best-selling book by former CIA agent Jason Matthews. Dominika Egorova (Jennifer Lawrence) is forced to assume the role of a "swallow", a specially trained seductress in the service of the Russian secret services. He learns to use his body as a weapon and does everything not to lose his own "I" in the course of training that contradicts human dignity. She manages to face the unfair system and becomes a priceless asset for her superiors. Her first target turns out to be Nate Nash (Joel Edgerton), a CIA agent who conducts top-secret infiltration of Russian intelligence. Two young agents fall into a trap of passions and lies that threaten their future, international alliances and the security of both powers.