Archer recruits Dr. Arik Soong from prison to track down a genetically-engineered group of radicals, whom he raised as children.
A fanatical group of xenophobes attempt to rid Earth of all non-humans and end all extraterrestrial relations.
4-05: Cold Station 12
The Augments attempt to steal the remaining genetically-engineered embryos from Cold Station 12.
As the Enterprise crew unwinds following the completion of their stressful Xindi mission. T’Pol and Trip visit Vulcan where she grapples with making a difficult decision.