The Artemis Club is an upscale brothel in Atlantic City, New Jersey. It is owned and managed by Gillian Darmody in the name of her missing son Jimmy Darmody. Jimmy is actually dead but Gillian refuses to acknowledge this. She is partnered with New York gangster Charlie Luciano in the business. She has converted the one-time home of Jimmy's father Louis Kaestner into a venue and filled it with prostitutes. She employs Richard Harrow as a "care taker".