Don and Pete disregard Roger's plans in order to land a new client.

Joan and Peggy deal with high-jinx in the office.

In the midst of a crisis, Don runs into an old friend.

Pete asks Joan to make a personal and moral sacrifice to ensure the company lands the Jaguar account. Don becomes furious after learning of the impact Megan's new profession will have on their life. Feeling unappreciated, Peggy attends lunch with Freddy Rumsen, who encourages her to make a move.