As Gina begins construction on the "Aperture", gathering the energy she needs to jump home, she is ambushed by an interdimensional science ninja team. They intend to use her freshly rebuilt portal to escape the fury of a mournful, cybernetic psychopath who, thanks to them, has lost his entire family! Can Gina escape the science-ninjas and evade the wrath of the "Bionic One"...?