Mordecai and Rigby try work overtime to earn enough money to buy tickets to a Fist Pump concert, but when they run out of coffee to keep them awake, they enlist the help of a business man and a coffee-bean to keep the coffee flowing.
Mordecai and Rigby find a plate that they think would look good with cake, but when they don't have enough money for any, they use Skips' upcoming birthday as an excuse to throw a party and to eat the chocolate cake at the snack bar.
When Mordecai and Rigby eat Benson's grilled cheese sandwich, Benson makes them buy another one. Unaware that it was Benson's sandwich because of Rigby's lie, Mordecai makes a bet to see who can lie the most without getting caught.
When Mordecai and Rigby are told that all the snacks in the snack bar are free for employees, they go on a junk-food spree. But, the next day, when Mordecai cops-out, Rigby continues to eat junk-food, and his body, literally, leaves him.