Willis Davidge, a human fighter pilot, is stranded along with Jeriba Shigan, a Drac, on a hostile planet. Dracs are a race of aliens which are reptilian in appearance and reproduce asexually. Davidge and Jeriba Shigan, whom Davidge nicknames "Jerry", initially attempt to kill one another but quickly realize that cooperation will be the key to their survival.
It first appeared in the September 1979 issue of Isaac Asimov's Science Fiction Magazine. Later, it was collected by Longyear in the 1980 book Manifest Destiny. A longer, novel form was published, based on the film. It also appears in The Enemy Papers (Longyear anthology) in 1998. That version was labeled as "The Author's cut" and was significantly revised.