Don makes a friend; Joan has drinks with a client; Roger receives a perplexing phone call; Peggy hears new work.
Peggy gets given some flowers at the office. Pete attempts to deal with the politics of a new business. Joan finds herself in a difficult situation.
Betty goes out for dinner with a friend. Don goes on a business trip. Harry promotes a new cause. An asset is weighed up by the partners of the firm.
Don makes contact with someone from his past. Roger has issues to deal with back at home. Peggy feels as though she's underestimated.
Stan accidentally shows up a superior. Peggy becomes Ginsbergs' troubleshooter. Harry finds a new ally. Don is paid a visitor from someone from his past.
Peggy collects research for a pitch; Pete receives an invitation to an exclusive club; Joan is eager to spend time with her friend.
Don is troubled by a letter; Peggy may seek a new future on a risky venture; Roger receives a phone call; Pete and Cutler butt heads.
Don tries to locate a missing friend. Joan attempts to deal with a problem with an account.
Roger offers Don some unwanted advise. Peggy and Stan are unable to agree on an account's personnel.
Guest Stars: Diana
as Elizabeth Reaser
Roger gives Dan a project to work on. Joan takes a business trip. Peggy and Pete are unable to agree.
Don has a huge idea. Roger wants Joan to help him deal with a clerical mistake.
Don ends up being rewarded for his work. Joan clashes with a co-worker over an account.
Don finds it hard to sleep. Pete is blindsided by a friend. Henry organizes a family reunion.
The drama featuring Don Draper, his family and his co-workers at Sterling Cooper & Partners reaches its conclusion.