Benson and Fin investigate the murder of a pregnant marine who was raped by one of her fellow marines in Iraq, leading to the two getting a first hand look at how women in the military are treated. The investigation leads them to suspect a fellow marine killed her, but they face difficulties when Navy Commander Grant Marcus (Frank Whaley) threatens to shut down their investigation. During the proceedings, Benson's sexual assault during the previous season stirs up painful memories for her as the investigation takes several twists, with regards to the prime suspect and the real rapist and his wife, who was responsible for the murder.