In the gleaming high-rise offices of Reynholm Industries, powerful executives oversee billion dollar business deals. But in the dark and shabby basement, the company's IT Support Team - bitter slacker Roy (Chris O'Dowd), socially inept Moss (Richard Ayoade), and their new boss, computer illiterate Jen (Katherine Parkinson) - rule their own domain of professional irresponsibility, mega-nerd ecstasy, and random acts of personal insanity.