Work responsibilities interfere with Don's domestic life; Peggy is given another opportunity; Betty makes a discovery.

Sterling Cooper advertising agency receives some new office equipment; Don and Duck are at odds over an account; Betty reconnects with an old friend.

Paul has a party at his apartment; Peggy visits her family; the agency pursues an account despite a conflict in interest; Duck uses an unorthodox approach with a client.

Trouble arises on the set of a commercial; Harry tries to gather support for a controversial sponsorship; Betty and Don try to appease a client with a friendly dinner.

Peggy's family hosts a lunch for their church's new priest; Don and Betty enjoy a weekend together; Freddy and Ken take a client out to lunch; the staff works to prepare for a last minute pitch meeting.

Don has to deal with issues between a TV comedian and his wife; Joan finds Don the perfect secretary.

Don and Duck try to make peace; Peggy tries to get into the executive's after-hours meetings; Duck deals with a family visit.

Don buys a new car; Pete, Harry and Ken strategize to attract new business; Don's secretary makes a grave error; Cooper has a new piece of art in his office.

Peggy contributes on a church project; Duck and Don try to create market appeal for a foreign beer brand; Harry recruits assistance to help with the workload in his department.

Freddy Rumsen gives a disappointing pitch; Pete exploits an opportunity; Don proves his loyalty; Betty finds a welcome distraction.

Betty visits her father; Paul's girlfriend tries to convince him to prioritize his duties; Pete's mother disapproves of his and Trudy's idea.

Don makes some new friends on his trip to Los Angeles; Peggy looks for romance; Duck ponders the future of Sterling Cooper.

Don meets up with an old friend; Pete's personal life presents problems; Joan brings her boyfriend to the office.

Duck offers Pete a promotion, Betty has a dangerous liaison after receiving some unwanted news, and Don returns.

Don accidentally learns a secret about Salvatore during a business trip to Baltimore; Back at the office, the firings continue, but the new management appoints Peter and Ken as new co-heads of accounts.

Betty's father visits; Sterling Cooper handles a very specific client request; Roger makes wedding arrangements; Peggy is affected personally by a campaign.

The writers are forced to work after hours; Roger hosts a party; Joan and Greg host their own party; Sally has a run-in with Grandpa.

Don has reservations about a misguided potential client who wants to sell jai alai as the "new national pastime"; Betty's father passes away.