The International Response Team heads to Casablanca after a retired couple is kidnapped while visiting Morocco on a cruise.
Donna is determined to find the Doctor, even if it means braving Miss Foster and her hordes of Adipose.
Carrie tries to convince Saul of the connection between Allison and Ahmed Nazari; Saul plants a bug in Allison's phone; Allison heads to a safe house to meet with Ivan after learning that a Russian agent plans to defect.
Carrie and Saul urge the doctor to revive Quinn so they can find out where the attack occurred; Allison receives instructions to make sure the attack on Berlin goes successfully; Carrie investigates at the train station.
Elizabeth wants a Bahraini diplomat prosecuted when he is caught holding a maid hostage; Henry's father visits.