Stranded in the town of Patience, Colorado, an alien inhabits the body of Dr. Harry Venderspeigle — but one resident can see past his façade.

In his first week at the clinic, Harry struggles to diagnose a strange feeling: human emotion.

Harry races to keep his secret safe as Asta is forced to face her own past.

Harry travels to the Ute Reservation to help Asta's grandmother, and along the way, learns what it means to belong to a community.

A surprise visitor gives Harry an introduction to marriage, a stressful human institution he needs to familiarize himself with.

Harry copes with jealousy when the mayor hires an annoyingly perfect new town doctor.

After he makes a mess of his human life, a depressed Harry gets drunk. Liv quits the force when Mike fails to credit her for solving a crime.

Asta saves a badly injured Harry after they fall into a glacial crevasse — and in the process learns a shocking secret.

To repair his planet-killing device, Harry visits an alien convention to harvest implants from UFO abductees. Mike asks Liv to rejoin the department.

Brokenhearted when Asta ends their friendship after discovering the real Harry’s fate, the alien decides to fulfill his original mission.