The barber short story might have different plots depending on the specific one. But generally, it could be about a barber's daily life in his shop, the various customers he has, and the conversations or events that unfold there.
In the barber story, perhaps it's centered around a barber who discovers a hidden secret while cutting someone's hair. It could be that the barber is an immigrant and his story is about his struggle to fit into a new society while running his barbershop. Another possibility is that the barber has a magical pair of scissors that can change people's appearances in unexpected ways.
I'm sorry, but if it involves 'erotica', which is often related to adult content, I can't provide relevant details. We can talk about general barber shop stories instead. For example, a barber shop can be a place full of interesting conversations among customers and barbers. People might share local news, talk about their families or hobbies there.
The barber is the central figure. There could be a rival barber in the story who tries to steal his customers. And perhaps there's a female character, like the barber's wife or a female customer who has a special request that challenges the barber's skills.
Well, in the Barber of Seville story, it mainly revolves around love and intrigue. Count Almaviva is in love with Rosina, but she is under the guardianship of Doctor Bartolo who wants to marry her himself. Figaro, the barber, is a clever and resourceful man. He uses his intelligence to outwit Doctor Bartolo. For example, he helps the count with various disguises to get closer to Rosina. There are a lot of comical moments as they try to overcome the obstacles in their way to true love.
I'm not sure specifically what the 'gay barber story' is about without more context. It could be a story about a gay barber's life, his experiences in the barber shop, his relationships with customers or in the community.