This Sunday marks the beginning of the end for Madison Avenue's most famous ad agency, as the first half of the final 7th season of "Mad Men" premieres on AMC.
But before we begin to say goodbye, here's a refresher of everything you need to know before returning to Sterling Cooper.
Warning: spoilers ahead.
When we last left Don Draper (Jon Hamm) he was still married to his young actress wife, Megan (Jessica Paré).
But he was having an affair with his married neighbor, Sylvia (Linda Cardellini).
The affair goes on until Don's daughter Sally (Kiernan Shipka) catches him in the act.
See the rest of the story at Business Insider