In Gray v. Brignardello, the Supreme Court of the United States held that a contract between two parties for labor and services was not enforceable if it violated public policy or morals. The case involved an agreement between plaintiff John Gray and defendant Joseph Brignardello in which Gray agreed to perform certain services for Brignardello in exchange for money. However, when Gray refused to complete his part of the bargain due to its immoral nature, he was sued by Brignardello who sought damages from him. The court found that while contracts are generally binding on both parties, they cannot be enforced if their purpose is contrary to public policy or morality as determined by law at the time of formation. Thus, because this particular contract violated public policy and morality under existing laws at the time it was formed, it could not be enforced against either party despite any promises made during negotiations prior to signing such an agreement.

In Gray v. Brignardello, the Supreme Court of the United States held that a contract between two parties was not enforceable because it lacked consideration and mutuality of obligation. The plaintiff had agreed to pay $500 for an interest in a business venture, but he never received any benefit from his agreement with the defendant. The court found that there was no consideration given by either party and thus no valid contract existed between them. Furthermore, since only one side had obligations under the agreement while the other did not have any duties or responsibilities to fulfill, there was also lack of mutuality of obligation which further invalidated their arrangement. As such, they were unable to enforce their agreement and recover damages for breach thereof as neither party could be held liable due to its unenforceability