22-year-old Tess moves to New York City, without friends or a specific ambition. After an interview at one of the best restaurants, she's invited to train. She attempts to keep up while observing her new coworkers.
When Tess forgets her wallet at the restaurant, she goes back to discover what happens after-hours; Simone teaches her about the coding of tongues, leading Tess to become even more enthralled by Simone.
Tess meets Serena, an alumna of the restaurant who married one of their wealthiest guests; Serena and Simone were best friends and, to Tess, Serena has the perfect life; Simone teaches Tess not to believe everything she sees.
Tess arrives at the restaurant in high spirits but soon realizes it's a night where everything will go wrong; Tess and Sasha embark on a drug-fueled night of adventure to burn off stress, until the night takes a turn.