Amanda fears for her sanity, while Daniel and Joseph close in on their daughters.

When Daniel finally sets a deadline for resetting the U-87 Cylon, and unknowingly ending Zoe's existence as she knows it, she makes a desperate attempt to save herself. But when her plan backfires, she finds herself out of time and out of options. Furious with a recent comeuppance, Barnabas ignites his feud with Clarice into an all-out war. Trapped in the middle is Lacy, who is forced to make a decision she may regret forever. Daniel makes a confession to an already reeling Amanda that sends her over the edge.