Kara tries to reconcile her identity with her grisly find on Earth while the Cylons on Galactica want to charge Boomer with treason. ~ Michael Chant, All Movie Guide

Ellen reunites with the "Final Five" Cylons; the rebel Cylons consider abandoning the Colonial fleet. ~ Michael Chant, All Movie Guide

Ellen Tigh resurfaces among the Cylons; Anders tells Kara that he remembers everything. ~ Michael Chant, All Movie Guide

The Cylons launch an attack against the humans and wipe out the Twelve Colonies, sending the survivors on a search for the 13th Colony.

Rebels seize control of Galactica and take steps to eliminate Roslin and Adama.

Gaeta and Zarek execute a power grab that puts Adama and Tigh on the defensive. ~ Michael Chant, All Movie Guide

The renegade Cylons seek an alliance with the Colonial fleet while Vice President Tom Zarek rallies opposition to that prospect. ~ Michael Chant, All Movie Guide