Boo Radley, Scout and Jem are among the most well-known characters in American fiction. See their story at the Montana Repertory Theatres performance of To Kill a Mockingbird today. Set in the segregated South in 1935, Mockingbirdis a poignant tale of prejudice, injustice and courage told from the point of view of six-year-old Scout. As she watches her lawyer father defend Tom Robinson, an African-American whos on trial for raping a white woman, Scout navigates the first day of school, failed attempts to catch a glimpse of her mysterious neighbor Boo, and a deadly confrontation with a vengeful racist. 8 p.m. The Grand 1894 Opera House, 2020 Postoffice. For information, call 800-821-1894 or visit www.thegrand.com. $18.50 to $68.