Irene Sofia Lucio

Holmes and Watson find themselves on the hunt for a serial killer after a murder rocks their inner circle. Also, Holmes’ neurological recovery regresses and his sobriety wavers as his commitment to catching the killer grows into an obsession.

Elizabeth targets an old source who could tip the balance of the upcoming summit, as Philip deals with business at the travel agency. Stan learns an old friend is back in town.

After picking up a distressing piece of intelligence, Elizabeth takes extreme measures to get close to a Soviet negotiator. Philip shares some stunning news with Henry.

When Elizabeth and her staff fly to Africa to offer development aid to the continent, they are caught by surprise when the Chinese arrive there first, ready to outmaneuver the U.S. with competing offers of aid. Also, when turbulence on their plane ride to Africa leaves Daisy unnerved, she and Susan Thompson (Tonya Pinkins) go on a welcome tour of Africa, admiring the beauty of the continent. And, the FBI asks Henry to help investigate a Christian cult member who may have helped build the bomb used in the Illinois coffee shop attack. (TV-14 L, V)

Maggie makes a decision about working with Roger; the agency is visited by an oddball creative team (Hamilton's Lin-Manuel Miranda and Irene Lucio) who offer their prodigious talents for the Pear pitch; over-worked account executive Caitlin (Eirinie Carson) begins to question her loyalty to Roger.