Kate Rene Gleason

The daughter of high-powered diplomats must battle suspicions of nepotism when her assignment to the unit takes place without notification to Hotch or Gideon.

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.

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