The main heroine of the show Alex Parrish, obsessed with protecting her country, goes to the elite FBI agents training academy Quantico that is known for its severe recruit training methods. During some time, in the course of grueling physical and psychological training, she well deserves the title of the best recruit of the academy. Suddenly the city shakes from the massive explosion and agent Parrish is accused of being involved into this terrorists act. The girl is lucky Miranda Shaw, the director of Quantico base, is on her side. Miranda is the first woman who holds such a high position in the FBI.