The first floor consists mainly of access to the basement and a staircase leading the office on the second floor, a Revenant and Bane can be encountered here. There is also a small shop where a Hunter can be encountered. An Access Point can be found at the staircase.
The basement exists of a small room, with a passageway leading to a grate. Inside this room, Big Pete can be encountered. There is also a terminal in the room that can be hacked.