Black Dahlia (2005) - Synopsis

Two cops, Lee Blanchard (Aaron Eckhart) and Bucky Bleichert (Josh Hartnett), investigate the grisly homicide of actress Elizabeth Short (Mia Kirshner), a.k.a. "The Black Dahlia." While Blanchard's preoccupation with the murder threatens his relationship with Kay (Scarlett Johansson), his partner Bleichert finds himself attracted to the enigmatic Madeleine (Hilary Swank), who just happens to have a connection to the victim.