They find some junk from earth, but they find stuff from earth all the time.

They beam down to a planet they thought didn’t have any life, but find a casino. It has weird rules, like no communicating with the ship until it’s convenient for the plot, no beaming out, and they can’t leave because then the story would be over

They start shooting stuff to try to get out. It doesn’t work.

Troi senses that they feel trapped down there. Hey, she’s being useful

Riker finds a dead astronaut and a novel that this whole place is based on. Events are unfolding just like in the book

Picard isn’t impressed by the novel

The book ends by “foreigners” buying the casino and leaving. They figure that’s their way out so they gamble for money and buy the casino