Arthur Dent discovers his house is to be bulldozed to make way for a bypass.
Later he finds that Earth is to be destroyed as well. He escapes on a Vogon
spaceship with his friend Ford Prefect.
Unable to return to Earth, Arthur becomes a reluctant space tourist. He is
soon traversing the universe with his friend Ford Prefect, who is employed by
Megadodo Publications to write entries for The Hitchhiker's Guide To The
Also along for the ride is an alien with two heads called Zaphod Beeblebrox,
a paranoid robot android called Marvin and Tricia McMillan (aka Trillian), the
only other survivor of Earth's destruction.