It's all because of the jealousy!br br Sitcom series "NATIONAL MAID SERVICE" tells funny stories about smart and witty countryside girls coming to the dynamic Saigon to look for their bright future, and here, they are met with challenges and found that being a maid is quite ideal with no competition. So these knowledgeable and cooperative girls worked together and founded the National Maid Service specialized in housekeeping and also providing "healthy" impersonating service.