Grant O'Hara is the young hot-shot of the business world, shrouded in mystery, and reporter Cheyenne has gotten the chance to interview him. It's Mardi Gras in New Orleans, and Carnivale, a costume party in the middle of the city, is happening. Cheyenne dons a costume and joins Grant at the party, but she witnesses a murder happening among the hustle and bustle of the crowd. Who are these men dressed as red demons? The two dart into a church filled with couples. Trying to fit in, Cheyenne and Grant say their vows in a wedding ceremony. But it's not just the theatrical performance they assume it is. They find out that this wedding is the real deal...!