Astronauts who have been unable to establish any contact with Earth for some time, crash their spaceship into the ocean. The two who survive the landing come to shore in a scene right out of Planet of the Apes, and wander off into Los Angeles to find human contact.
The two decide to live in an abandoned mansion and eventually meet women and children with which to form surrogate families. I guess the apocalypse messes with your emotions because the lead character claims he is in love after having known this woman for less than a day.
The villains in this film are not zombies, as would be expected from the title, but a motorcycle gang who do the disturbing things that bikers do.
As for zombies, there aren't any - unless you include the three or four mutants who ineptly try to corner a young boy. But since they don't look or act like zombies and are only briefly in the film, I can safely say this movie is severely lacking in zombies.
The score is totally inappropriate as it sound like something out of an old cartoon. The acting is on par with someone performing in their own backyard, and the writing is just plain bad.
My favorite scene in the whole movie is near the beginning as the astronauts come up the skeletons at a beach party. They decide to raid their belongings and take anything useful, coming away with a machete and kerosene. Surely that was the most dangerous beach party ever.