Synopsis

With assistance from Katya Derevko and Toni Cummings, a security systems designer held in CIA custody, Sydney and Vaughn pursue Sloane and Nadia. Simultaneously, Lauren and Sark are also hot on their trail, determined to unlock the secrets of Rambaldi. As Vaughn’s fixation on finding Lauren intensifies, Sydney and Vaughn outmaneuver an old adversary, while Katya reveals her feelings for Jack.