Don sigue ocultando su complicada vida personal, incluso frente a la incitación de Roger a contar la verdad.

En una sesión de tormenta de ideas, Peggy demuestra ser más que una secretaria.

Don pierde una cuenta. Roger, atascado en la ciudad el Día del Trabajador, trata de alegrarlo.

Los problemas laborales de Roger le dan nuevas chances a Don y Pete se frustra aún más.

Fred y Ken llevan a un cliente a almorzar, quien conmueve a Roger Sterling.

El padre Gill convence a Peggy de ser voluntaria en un proyecto. Para ganar la cuenta de una cerveza importada, Duck y Don apelan a una nueva región.

Freddy decepciona a su equipo en una venta. Pete encuentra una oportunidad en la oficina que puede aprovechar. Don prueba su lealtad a un amigo.

Don's father-in-law pays a visit to his daughter's family. Peggy works hard on a campaign while the firm tries to decide if they will accommodate an unusual request from a client. Elsewhere, Roger plans a wedding.

Peggy's taste in men proves questionable. Pete has to make a big decision about his career and a candidate makes a big impression on Don.

Don is honored at a banquet for the American Cancer Society, but finds his professional reputation has been damaged. Sally lends a hand to a relative. Megan's parents come to visit from Canada.

Don and Megan take a trip to Hawaii for the holidays, Sally's friend visits the Francis family, a comedian torpedoes Peggy's Super Bowl ad campaign, and Roger gets some bad news about his mother.

Don strikes up a friendship with the surgeon in his building, Peggy tries to save her campaign, Roger makes a scene at his mother's funeral, and Betty goes to Manhattan to find Sally's friend.

Sterling Cooper & Partners prepares for a guest; Don contacts an old friend; Roger deals with problems at home; Peggy is underestimated.

Don receives a troubling letter. A risky venture entails a new future for Peggy. Roger gets an unexpected phone call. Pete butts heads with Cutler.