The late 22nd century.  Humanity has advanced to the point where holiday cheer has been replaced with efficiently running factories.  Earth has cut itself off from the rest of the universe and there is peace.

Or is there?

Oliver Benson, millionaire industrialist, has ordered another hiring frenzy of homeless people in New York City.  He promises great rewards for their help in his special project.

But what is it?  And where does the odd man known as the Doctor fit into all this?