Zak McKracken and the Alien Mindbenders/Miami

Must have done: Buy the Book from the Devotee in the SF airport.

Once you visit Miami there is no way to exit to the city. There is only a bum to whom you can GIVE CASHCARD for charity ($5) but he will complain that his life has no meaning. If you GIVE BOOK TO BUM he will become a devotee and will offer you his Whiskey.

Miami is your only stop before the Triangle