The core plot centers on Detective Matthew Sikes, a veteran human cop with a prejudice against the aliens, and Sam "George" Francisco, the first Newcomer detective.
The Newcomers are stronger and smarter than humans but face intense discrimination. Notable (and quirky) cultural details include their love for sour milk (which acts like an intoxicant) and a fatal vulnerability to seawater . Film vs. TV Series Alien Nation
Set in an alternate 1991, the story follows the arrival of the "Newcomers" (the Tenctonese), a race of genetically engineered slaves who find refuge in Los Angeles after their ship crashes in the Mojave Desert. The core plot centers on Detective Matthew Sikes,