Following the Messyworld office Christmas party, Lisa and Louise wake up with a hangover and faded memories of a very drunken and messy night in the carwash. Tamara and Cassie are nowhere to be seen, but boss Michaela has seen what's happened. Lisa and Louise, now freshly dressed, are awoken with a pie each by boss Michaela and taken for... "The Perfect Hangover Cure... " cue The Human Carwash.