The story unfolds between the events in Captain America: Civil War and Avengers: Endgame. Natasha Romanoff, known as the Black Widow, was forced to hide from sight for a while. The thing is that the last battle of superheroes violated some agreements with the government. Natasha begins to remember what happened to her before she became part of the Avengers team. The heroine gained her abilities thanks to the "super-soldier serum" created by Soviet scientists. So the heroine finds herself in the center of a conspiracy, in which her old acquaintances become participants. But what role is assigned to her, and can she make the right choice?..