Benson puts herself at risk after a young woman takes a man hostage. The team discovers the reason for this abduction.
As Elizabeth prepares for a major live TV appearance, she struggles to hold herself together following the attack in Iran.
Frank worries when his first partner announces plans to publish a book containing stories of their early days on the force. Jamie and Eddie face choices that will affect their futures in the department and their relationship.
The team travel to Mexico to protect a government minister whose efforts to combat the drug trade have made him a target.
While Cal is on vacation in Mexico, he investigates a bizarre case of a missing woman; meanwhile, the rest of the team deal with reports of contaminated blood.
