Anna George

Jess plans an engagement party for Schmidt and Cece, not realising Cece's mum isn't aware her daughter is getting married.

Schmidt flies to Portland in order to make a last ditch effort to convince Cece's mum to come to their wedding, but in doing so, he might miss the special day himself.

Charles and Nellie clash over the treatment of a paranoid patient. Ethan treats a pregnant patient from Hannah's past. Crockett and Vanessa help a man who needs a risky neurosurgery.

While Reid copes with a loss in his personal life, the rest of the BAU travels to San Francisco to investigate victims discovered in the Mission District.

Hank and Divya are concerned about Mac's increasingly unusual behaviour when his wife comes in for treatment on her ankle, and become aware of their marital issues. Evan is asked to stand-in as a patient's boyfriend when she does not want her parents to find out her partner's true age.

A new group of interns, which includes Billie's son, start their first day; Kit and Bell try to convince Conrad to come back to Chastain; Leela and Padma deal with an unexpected visit from their parents.