The strain on the rag-tag fleet fleeing the relentless Cylons takes its toll, leading to a tough decision.
Sharon wakes up soaking wet, covered in red stains, carrying an explosive. Six more bombs are missing from the locker. Who's controlling her and where has she been?
When Captain Lee Adama recruits prisoners to retrieve an underground water supply from a desolate ice moon, several Galactica officers are held hostage by a charismatic anti-government leader.
The crew's loyalties are put to the test when a Cylon suicide bomber infiltrates the Galactica and kills five people. Who let the bomber through security?
Baltar is completely baffled when Number Six appears on the ship, posing as someone else. He is even more distressed when she accuses him of being the traitor.
