Wrongful discharge claims against the company

. Mork and Mindy work for a large, retail chain.  The chain’s billionaire owner is a staunch fundamentalist Christian.  He requires his stores to enforce rules of conduct that include forbidding adultery between members of the sales staff.  As sales associates, Mork and Mindy ran afoul of this rule when they began a relationship while Mindy’s divorce was still pending.  When word got around about their affair, both sales associates were fired.  Do Mork and Mindy have wrongful discharge claims against the company?  Explain your answer.