As a requirement for acceptance to a fraternity, three teams are competing in a scavenger hunt. Some of the players are willing to do anything to win and the Hobo is there to prevent them from going that far.
Search and rescue is dispatched, but without a working emergency transmitter, the plane is difficult to find. Some of the more seriously injured passengers' conditions worsen and another turns out to be a diabetic, short on insulin.
A TV reporter and a cryptozoologist discover the hobo when researching archival footage of his many adventures and seek to trap him. But since the prevailing assumption is that there are many dogs of his kind, there is talk of dissecting him!
Two bootleggers working at an orchard steal their employers apples and make alcohol with them. When they setup an honest colleague, who is short on English, the Hobo moves to expose the entire operation and the crooked employees.