A bigoted human policeman in the L.A. of the future and his alien partner learn to live with each other's differences while attempting to solve a drug conspiracy hidden in the subculture of Los Angeles' newest immigrant population: extraterrestrials.
Sikes' issues with aging are intensified when he learns that the Newcomer life-span is almost twice that of humans. The death of a police officer during surgery raises questions about the hospital.
The murder of an astronomer leads Sykes and Francisco to the discovery of an extra-terrestrial probe passing through the solar system. But is it friend or foe? Sikes's relations with his Newcomer neighbor, Kathy, develops. George and Susan discus having another baby.
A series of murders of Binnaum, a rare kind of Tenctonese needed for catalyzing reproduction, raises fears that Purists are trying to stop the Tenctonese from breeding. Francisco asks Albert to be the Binnaum for his and Susan's next child.
The Day of Descent, anniversary of the Tenctonese freedom from slavery, finds Francisco depressed. A lethal form of gambling from The Ship may be continuing on Earth.
The line between reality and fantasy blurs when a crossed video phone line lets a boardroom of executives see a sex actress attacked. George becomes swept up in celebrity when a news crew does a week-long special on him.
George is suspended from the force when several kilos of drugs goes missing on his watch. An old mentor of Sikes' returns. The Francisco family prepares for the Ejection, when the baby will transferred from Susan to George.
Sikes and Francisco investigate possible steroid dealings at a gym. George must reconcile his and humanity's conceptions of manhood while he is pregnant.
George investigates the murder of the chief scientist behind a company he is heavily invested in. Buck, inspired by one of his teachers, protests that the workers at the company are being exploited. Matt sells one of his lottery tickets to Albert, only to see him win.
Tensions between partners erupt when Francisco passes the Detective 2 exam and is promoted over Sikes. Matt becomes uncomfortable with his attraction to Cathy. The mysterious death of a Newcomer judge points to a lethal bacterium being used as a weapon.