Between 1968 and 1983, a San Francisco cartoonist becomes an amateur detective obsessed with tracking down the Zodiac Killer, an unidentified individual who terrorizes Northern California with a killing spree.
As Harvard student Mark Zuckerberg creates the social networking site that would become known as Facebook, he is sued by the twins who claimed he stole their idea and by the co-founder who was later squeezed out of the business.
Returning from LV-426, Ellen Ripley crash-lands on the maximum-security prison Fiorina 161, where she discovers that she has unwittingly brought along an unwelcome visitor.