Set a few years after the first volume The Archetypes-First Generation, the Rexes find themselves under attack by their archenemies, the Renfield family. They suffer a shattering loss, and injuries that they must recover from as they begin to deal with new shocking revelations about the extent of Amanda's father's tampering with his archetype creations. They all possess a trait that has preprogrammed them to commit murder among themselves. An already stressed and distressed Amanda must rush to devise a serum to vaccinate her family with as the genetic time bombs tick away in all of them, but some bombs are already reaching their detonation point. The Rex family suffers an additional shockwave when they realize that Leonard Pennington is not dead as they had assumed. He is very much alive and determined to eliminate the archetype that he designed to be his terminator- Benjamin Carter Rex. In the final showdown at the mountainside lab, only one of them will be left standing. Pennington has vowed to destroy Amanda and Benjamin's children, and their entire family so everything he cherishes is at stake as Beans faces off with the evil megalomaniac who made them all what they are. This novel includes a bonus holiday short story entitled Rex Family Christmas.