Residents of an adult community in Florida turn to one another for support and companionship after the deaths of their spouses. Lois has a rejuvenating affair with a younger man while acting as best friend to recently widowed Marilyn. Jack buddies up with Harry for a crash course in solo survival skills and deals with single gal Sandy's romantic overtures.

20th-century astronaut Buck Rogers awakens in the 25th century after a freak accident puts him in suspended animation for 500 years. Upon returning to Earth and discovering the planet is recovering from a nuclear war, Buck uses his combat skills and ingenuity to protect Earth and fight evil throughout the galaxy alongside starfighter pilot Colonel Wilma Deering and robot companion Twiki.