Complete story — includes the ending
Suzanne and Don's affair is complicated by the arrival of Suzanne's troubled brother, Danny, who has lost his job because he has epileptic seizures. Suzanne arranges a new job for her brother in Massachusetts; Don drives Danny to Massachusetts, but relents when the young man asks to be dropped off well before its location. Paul suffers from writer's block and grows resentful of Peggy's success. Paul and Peggy work overtime to come up with a pitch for Western Union; Paul has a drunken brainstorm while chatting with a custodian, but panics the next morning upon realizing that he has neglected to write it down. Betty discovers Don's desk drawer key and decides to inspect it; she discovers multiple artifacts revealing Don's past life, including old Whitman family photographs, the deed to Anna's house, and the divorce decree dissolving her marriage to Don. The firm prepares to celebrate its 40th anniversary, and Roger and Bert express reluctance at attending the firm's anniversary party, in which Don will be the party's final speaker. Lane is informed by the agency's British owners that Sterling Cooper is being sold.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Mad Men season 3. HTML formatting and reference markers removed. · Content license