Boy Mulcaster Timeline and Summary

Over dinner, Anthony Blanche tells Charles about one night when a group of boys – among them Boy Mulcaster – tried to put him in Mercury. He refers to him as a "real degenerate."
Rex and Julia invite Charles, Sebastian, and Boy to a party. At Boy’s suggestion, they leave to go to an old joint of his, the Old Hundredth. They get drunk and are later arrested for drunk driving.
When Charles comes back to London in 1926, he goes out to dinner with Anthony Blanche and Boy Mulcaster. Boy gets bored and pulls the fire alarm.
Celia explains that Boy was going to marry a girl, but pulled out at the last minute.
When Charles works out his divorce from Celia with Boy, he doesn’t seem too upset about his sister. He even tells Charles that he always had a soft spot for Julia.