Bruce Ismay (Mason Ferguson of Wayland) is haunted by the spirits of a first-class passenger (Dana Korell of Oskaloosa) and a ship’s officer (Joe Roark of Ottumwa) in “Titanic Aftermath” by Michael Wehrli, which will be performed at St. John Auditorium on the Indian Hills Community College campus at 7:30 p.m. April 12-14.