This article provides an overview of contract law and its application in a case study. It covers the basics of contract formation, including offer and acceptance, as well as the concepts of misrepresentation, mistake, void and voidable contracts. The case study examines a situation where a contract is entered into for the purchase of an ornament, but issues arise regarding the authenticity of the item. The article analyzes relevant legal rules and provides insights into the potential outcomes of the case.