This case was a dispute between two parties over a contract for the sale of a steamboat. The plaintiff, Case, was the owner of the steamboat, and the defendant, Beauregard, was the buyer. Case alleged that Beauregard had breached the contract by failing to pay the agreed-upon price. Beauregard argued that the contract was invalid because it had not been properly executed. The Supreme Court held that the contract was valid and enforceable. The Court found that the contract had been properly executed and that Beauregard had failed to fulfill his obligations under the contract. The Court also held that Case was entitled to damages for the breach of contract. The Court's decision established that a contract is valid and enforceable if it is properly executed and that a party who breaches a contract is liable for damages. This case is an important precedent for contract law in the United States.

Justice Field delivered the dissenting opinion in this case, arguing that the majority had failed to consider a key point of law. He argued that under Louisiana's Civil Code, a contract could not be voided simply because it was made without consideration; instead, there must have been fraud or mistake for such an action to take place. Furthermore, he noted that even if consideration were necessary for the validity of the contract in question here - which he did not believe was true - then it would still be valid as long as any benefit conferred by one party upon another was sufficient to constitute "consideration." In his view, since Beauregard had received some benefit from Case's performance (namely access to land), this should have been enough for him to prevail on his claim and receive payment from Case. Therefore Justice Field concluded that Beauregard should have won his case and received compensation from Case due to their agreement.