A teacher's promiscuous past proves to be a large barrier in convicting a man for her rape and murder.
The team searches for a missing book containing top-secret information, which belonged to an antiques dealer who was murdered.
The team investigates when a former drug addict insists she saw her son in a park, three years after he allegedly died in an apartment fire.
Detectives are investigating the murder of a young veterinarian on a horse farm when they uncover what appears to be a drug-smuggling operation.
Briscoe and Green track an escort and con artist who is suspected of murder, but they run into problems when McCoy and Carmichael interview a victim's family.