Don has a big meeting with Connie about their future relationship. Betty is the beneficiary of some interesting advice and Pete has a serious sit-down with some clients.

Sterling, Cooper, Draper and Pryce find out the company is being sold again and leave to start a new advertising agency as partners, with Joan, Peggy, Harry, and Pete’s help. Betty and Don begin to formalize a divorce. The episode takes place around December 13th, 1963.

Don meets with an impressive candidate; Peggy second guesses her taste in men; and Pete makes a big decision. The episode takes place over the weekend beginning Friday, November 22, 1963. The characters are all affected by the assassination of President John F. Kennedy.

A former client returns; Betty goes on a trip with the kids; and Joan and Greg plan for their future. This episode takes place the last week of October and ends on October 31, 1963.

The firm celebrates a milestone (40 years); Peggy and Paul compete on an account; and Betty makes a startling discovery.

Don and Sal have trouble giving the clients what they want; Betty hosts a fundraiser. This episode takes place during the end of August and the first three weeks of September 1963.

Don and Betty go on a business trip; Pete helps a neighbor. This episode takes place in early August 1963.

Betty tries her hand at politics; Don thinks about the future; and Peggy receives a luxurious gift. The episode ends on July 23, 1963, the date on which Don is forced to sign a three-year contract with Sterling-Cooper.

Sterling Cooper receives a surprise visit; Sally is spooked; and Joan gets some unexpected news. This episode takes place in the early days of July leading up to Independence Day.

Concern over Sally’s behavior causes Don and Betty to act; opportunistic Pete tries to work a new angle into his business dealings; and an odd dream has a strange effect on Betty. This episode takes place some time after June 12, 1963, the day Medgar Evers was murdered.