An inflatable life raft carries him to the surface and bears him to a deserted tropical island, where he learns that survival without the trappings of civilization is far more difficult than it's made out to be in books, on television, and in the movies.

 

There may not be any humans on the island, but something is making noise in the jungle at night. And how is he to obtain food and fresh water? Without proper tools, simple tasks like opening a coconut or making a fire become herculean efforts.