Kate Rene Gleason

Madeline is outraged over a slight from Renata while dealing with family issues at home. Jane dodges difficult questions from Ziggy.

Well-connected Special Agent Emily Prentiss joins the team, as they take on two serial killers, who seem to be in competition with each other.

A gas tanker explodes on a highway, resulting in multiple injuries; Jo and Meredith try to help a frantic woman, whose child has a mysterious illness; Alex is forced to work with Jo's boyfriend.

Gibbs must face the reality of his actions after he assists Ziva with "the one thing" she said she would need to take care of before returning to her family.

Jack and Henderson wage an assault on the submarine, as Bierko prepares to launch an attack against LA. Chloe brings in someone from her past to aid her. Martha and Pierce enlist Novick's help in their plans to expose Logan.

Only one fugitive remains on the loose on the streets of Brooklyn after the mass escape of convicts from the prison van and Peralta is forced to enlist a surprising ally in order to apprehend him.