Don is bi-coastal while Meagan's career begins to take shape in L.A. Pete seems happy there too. Roger is experimenting with free love. Peggy is struggling to connect with Don's replacement as well as dealing with being a landlord. Joan takes business advice from a Professor to help her handle more account business.
Sally comes into the city for a funeral. She loses her purse and has to go to Don for help. Betty mistakenly believes some flowers on Shirley's desk are for her. She sends Ted some confusing messages as a result and asks Joan to switch Shirley. Joan is already dealing with Lou not wanting Dawn around and Bert not wanting her on the front desk. Pete is frustrated to land a big client but be told he has to ask Chevy's permission.
Meagan's agent calls Don to complain about her behaviour. He surprises her but they end up in a big fight. He heads home determined to go back to work. Roger invites him to the office but doesn't tell anyone about it. Don sits awakwardly as the whole office comes to see him and the Partners discuss his future.
Pete meets an old friend and gets the chance to pitch to Burger Chef. Peggy is put in charge and Lou is happy to assign Don to her as well. Don is having none of it and finds comfort in a vodka bottle. Meanwhile Roger's daughter has disappeared and gone to live in a commune.
Ginsberg is very disturbed by the noise from the computer and asks if he can work at Peggy's apartment. Don gets a call from his "niece" Stephanie and sends her in Meagan's direction for some help. Meagan is having a party and tries to entice Don when he gets there. Betty is helping Henry with a fundraiser but they have cross words when Vietnam comes up in polite conversation.
Peggy makes her pitch for Burger Chef in front of Don, Pete and Lou. They love it but Pete wants Don to pitch. Peggy is thrown for a loop and spends all weekend working on a new pitch. Don eventually helps her out. He spends the weekend with Meagan as they pull further apart. Bob Benson is back and learns some good and some bad news about Chevy. Pete goes to visit his daughter but Trudy tries to avoid him.
Jim sends out a memo about Don breaching his contract. Don angrily reacts and Bert supports his out of loyalty. Everyone watches the Moon Landing including Don, Peggy, Pete and Harry who are out pitching to Burger Chef. Don insists that Peggy give the presentation so that the business is hers. Bert dies and Roger talks to McCann about a takeover. He puts together a deal which would put him in charge and keep Don around.
Joan heads to California to interview candidates and starts a love affair instead. Pete and Peggy struggle with an account and come to Don for help. Don is trying to write a report on the future of SCDP. Sally prepares to go on a trip and Glen comes to visit.