Sinopsis: About the independence, growth, and friendship of the 'Bangpan Sisters', four women who started selling adult products door-to-door in a rural village in 1992, a time when “sex” was still taboo. It's a story of women who were ahead of their time when it was hard even to say the word 'sex', who somehow managed to bring a healthy dose of energy into the secretive world of couples and thrive on their own.