There are a number of theories you could sue under such as false advertising, misrepresentation, fraud, unfair business practices but don't know if it is worth the grief.
This is just my opinion and not a comprehensive answer. You assume the risk because this answer may not apply to your situation depending on the facts.Ask a similar question
It is not likely they will do anything for you. You should have reported it at the time to the proprietor.Ask a similar question