The murder and sodomy of a local fraternity pledge master leads the detectives to his pornographic Web site, which features college girls at a local bar. Further investigation points back to the fraternity, whose members are not cooperating, and their code of conduct for prospective pledges.

When it becomes obvious that a forensics expert raped and murdered a student, the investigation focuses on a criminology professor that Cragen arrested decades earlier for similar crimes.

A missing teenager found beaten and tied up in a college dormitory under construction claims that she was raped by three students, but as the investigation proceeds and information obtained by the police and the press causes her story to unravel quickly, the girl recants. Since Benson remains convinced that a rape did occur, the focus of the investigation shifts to the girl's overly-protective stepfather who has resisted the investigation from its onset. When the girl finally tells the truth about the attack, it becomes apparent that her lies were calculated to protect her innocent stepfather from physical and financial ruin, as another victim of her attacker comes forward.

An art professor's alleged rape accusation devolves into confusing battle of "he said, she said".