It’s the 1920s and Sarah Dullard is a teen whose parents work at the Arlington Hotel in New York City. In the summer of 1928, the arrival of the hotel’s owner’s son shakes the hotel’s tranquil atmosphere, after a party leads to the disappearance of his companion. Sarah and the young man then decide to try to find him. But as they connect all the strange events happening around the hotel, they soon realize what is behind the disappearance might be much more complicated and terrifying.