Wrongful interference with a contractual relationship occurs when:1) A valid and enforceable contract exists between two parties. Wrongful interference with a contractual relationship occurs whena.A third party knows that this contract exists.b. Wrongful interference with a contractual relationship requires that there is a valid contract between two parties, a third party who knows the contract exists. Stat. § 75-1.1, tortious interference with contract, tortious interference with prospective economic advantage, and unjust enrichment. Plaintiffs filed this action asserting claims for wrongful interference with contract right ("Claim One") and defamation ("Claim Two"). Tortious interference with a contract occurs when a party improperly disrupts a contractual relationship between other parties. Interference with contractual and business relationships, unfair competition, and breach of fiduciary duty of loyalty.