The script details the investigation of two related murders in San Francisco, including the autopsy findings of Cindy Strauss, which reveal she was pregnant at the time of her death. The district attorney, Jackie Perez, faces intense media scrutiny while addressing the rising homicide rate, while detectives Terry and Hildy grapple with the implications of their primary suspect, Erich Blunt, being connected to both murders. The tension escalates as they consider the possible involvement of Chris Walton, who is currently in custody and presented with a plea deal for a lesser charge.