Nancy, bess and george visit new orleans for mardi gras. While on vacation for the festivities, the three friends become involved with pirates, ghosts, and investigating an old showboat, rumored to be haunted, that must ...Nancy, bess and george visit new orleans for mardi gras. While on vacation for the festivities, the three friends become involved with pirates, ghosts, and investigating an old showboat, rumored to be haunted, that must be restored in time for the gala celebrations.