Directive 8020: Story and endings, explained (opens in new tab)

The Cassiopeia set out to Tau Ceti f, a planet 12 light-years away from Earth, with the Andromeda following behind. They arrive at the planet, having crash-landed following a hull breach by an unidentifiable meteor carrying an otherworldly contagion inside. The contagion—known as the Growth—spread rapidly, taking the form of the esteemed and determined crew. It mimicked their appearance, voice, and copied their history. Once extraterrestrial life has been acknowledged, there are strict rules ...