Impatient to have a child, an infertile couple seeks help at a sperm bank and are thrilled when the procedure works. But their joy is cut short after they discover the donor is a psychopath willing to kill anyone who stands between him and his baby.

As the heir and current marketing director for one of the nation’s biggest gun manufacturers, Liberty Wallace is indifferent to the atrocities made possible through her business and her CEO husband, Victor. On her way to see her actor lover, Liberty ends up chained to a food cart full of explosives — all at the insistence of “Joe”, a sniper whose young daughter was a victim of gun violence, and who now has Liberty in his sights.

Under the watchful eye of his mentor, Captain Mike Kennedy, probationary firefighter Jack Morrison matures into a seasoned veteran at a Baltimore fire station. However, Jack has reached a crossroads as the sacrifices he’s made have put him in harm’s way innumerable times and significantly impacted his relationship with his wife and kids.

Lucy Chadman (Shelley Long) chokes to death and is resurrected by her loopy sister Zelda (Judith Ivey) on the one year anniversary of her death. Lucy, of course, does not believe she has actually been dead and thinks it is an elaborate hoax until she goes to her apartment and discovers her husband (Corbin Bernsen) married to her gold digging best friend, Kim (Sela Ward).

After a 40-year armistice in a war between the Twelve Colonies and the Cylons, the Cylons launch a surprise nuclear attack intended to exterminate the human race. Virtually all of the population of the Twelve Colonies are wiped out.