Dominika Egorova is a devoted daughter and prima ballerina who is fixated on reaching her furthest mental and bodily limits to achieve perfection. When she suffers a career-ending injury, she gets manipulated into becoming the newest of the exceptional recruits at a Russian secret intelligence service, Sparrow School. Through their sadistic and exhaustive training, Dominika emerges as the school’s most dangerous Sparrow. Dominika must balance out her normal social life with who she has become as her life and everyone she cares about are at risk, while a CIA agent appears to be the only one that she could trust.