Shabana (Taapsee Pannu), a college student and a Kudo player is a short tempered, fierce girl with a terrible past. One evening Shabana and her boyfriend encounter a gang of drunkard loafers who indulge into eve-teasing. While trying to fight the eve- teasers, her boyfriend gets killed. The already wounded Shabana now, is restless to find and kill the murderers. After receiving no help from the Police, she gets a call from a secret agency.

Shabana is offered help with regard to finding the murderers and in return she is asked to work with the agency. Then begins Shabana's journey from a college girl to a trained spy and her work for the country. She is soon assigned the responsibility to assassin the arms and trafficking honcho Mikhail who is disguised as Tony (Prithviraj Sukumaran). She is under the leadership of the agency's best officers Ajay (Akshay Kumar) and Shukla (Anupam Kher). Will she able to accomplish the task to safeguard the country?