As the BAU travels to Miami to investigate a series of bizarre, ritualistic murders, Reid suffers a series of blinding headaches and hallucinations that leave him concerned for his health.
Jax brings a new proposal to the club with serious consequences.
After Gibbs spots the brother of an "NCIS Most Wanted" suspect, he immediately assumes his former alias and goes undercover with their infamous anti-government militia. Also, Bishop and Reeves partner on an off-the-books investigation.
Mr. and Mrs. Smith? Will pops the question from his hospital room. And Lisa's answer is...
Backed into a corner, Emily is forced to admit her guilt, but she'll have to decide how far she'll go before admitting defeat.