The girls work around the clock to honor a Groupon for their cupcake shop. While the coupon worked to increase business, the girls are taking a loss on every discounted sale and the future of the shop is still up in the air. When they get an order for one thousand cupcakes at full price, the sleep deprived girls enlist the help of everyone at the diner to work all night and get the job done. Meanwhile, Andy and Caroline question whether or not their breakup was the right move, and Max realizes that staying friends with Andy is going to be harder than she thought.