Sonia Dhillon Tully

When Quo'on (Brooke Johnson), the leader of the Taelon Synod is assassinated, the ruthless Zo'or (Anita La Selva) rises as successor and Captain Liam Kincaid (Robert Leeshock) emerges as a new fighter in the underground.

The resistance does battle with an alien probe that may be studying Earth.

The resistance races against time to infiltrate a remote Taelon lab to destroy the alien probe which holds the liberation movement's secrets. Vint Cerf, "Father of the Internet", makes a special guest star appearance.

Sidelined because of her harrowing ordeal with Marilyn Felker, Clarice goes to Ruth Martin to be reinstated and gets roped into having dinner at the Martin residence. Clarice sees Catherine Martin for the first time since rescuing her from Buffalo Bill and must endure an uncomfortable evening with this fractured family. Also, Ardelia and the ViCAP team try to identify the man who aided Marilyn, but they hit a wall when they realize their DNA sample matches a file that's been erased from the Bureau's database.

A laid off worker kidnaps a high powered accountant in revenge for his lost pension, and the team gets swept up in a case of class warfare when Bryan (Clive Standen) decides to help the kidnapper get justice.