Young, ambitious, beautiful, a weapon - the Russian agent Dominika Egorova was trained as a so-called "Red Sparrow". Their task is to seduce enemy agents and sneak into the enemy as a mole. In this role, Dominika is assigned to the young CIA agent Nathaniel Nash. Is Nathaniel really as easy a victim as it seems at first glance? Or was he again assigned to Dominica by the CIA to get more information about the training program and the operations of the red 'sparrows'?