Quin's job is to step through Doors-portals that can take a person to thousands of new and interesting places throughout the universe-to find out where they lead. His job should be interesting. But Quin is bored. He does the same thing day in and day out, with little to excite or interest him. So, while he knows it's not the wisest choice, he takes up illegal gambling in his free time, just to spice up his life a bit. But one evening,...