In 1959, the brutal and grisly murder of a small town Kansas family captures the imagination of famed author Truman Capote. With his childhood friend Harper Lee, writer of "To Kill a Mockingbird," Capote investigates, winning over the locals despite his flamboyant appearance and style. When he forms a bond with the killers and their execution date nears, the writing of "In Cold Blood," a book that will change the course of American Literature, takes a drastic toll on Capote.