Benson puts herself at risk after a young woman takes a man hostage. The team discovers the reason for this abduction.
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.
The most recent `person of interest' is the 21-year-old daughter of a Brazilian diplomat who has become the target of a dangerous drugs gang.
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.
