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.
While Reid is away coping with a personal loss, the rest of the team travels to San Francisco to investigate victims discovered in the Mission District.
Elizabeth makes a secret trip to Iran in hope of preventing a coup that could impact President Dalton's administration; Elizabeth's staff are brought up to speed on the investigation into Marsh's death.
An explosion injures a pregnant guard and exposes a scientist's controversial research.
