The Doctor, Amy and Rory arrive in a future Earth where a small group of
humans operate a plant extracting highly dangerous chemicals. To
minimize the danger to themselves, they create clones made of a
plastic-like substance, 'gangers' (short for doppelganger) who do the
actual work. While forming their clones however, the Earth is struck by
massive solar flare activity that transfer the humans' emotions and
memories in addition to their technical abilities. As they all try to
deal with what has happened, the gangers are clearly no longer prepared
to accept the ...
