Problems surface on the set of a commercial shoot while Don plays hooky from the office; ever-ambitious, career-minded Harry musters support for a sponsorship plagued by controversy; Betty steps in to help Don when he arranges a dinner to placate his upset clients.

Joan might have found Don a perfect secretary; Peggy comes to the rescue when Don finds himself in the middle of personal issues between a TV comedian and the man's wife; Pete and his wife see a fertility specialist to deal with her inability to conceive.