Meanwhile, Lane, Pete, Roger, Joan, and Peggy learn that it is "every man for himself" in their personal and professional lives, as they each face painful new beginnings.

Feeling her chances at work have been undercut by Don's detachment, the couple have a fight while touring a Howard Johnson's hotel.

She hitched a ride to the Greyhound bus station and then a cab back to their new apartment, where they fight and ultimately reconcile.

Don's slacking at work coincides with the arrival of a new hire, in the form of young advertising phenom Michael Ginsberg.

However, one evening Ginsberg confides his dark secret to Peggy: that he was born in a Nazi concentration camp for Jews, where his mother died and that he spent his first five years in an orphanage before his father found him and took him to America to live.

Roger struggles to remain relevant in the company as Pete Campbell schemes to steal his plush office for himself.

Pete Campbell, having moved to the suburbs, begins to become more and more detached from his life and starts missing the big city.

He also begins a relationship with Beth Dawes, the wife of a fellow train commuter, who later breaks off the affair out of guilt even though she and Pete know that her husband is unrepentant in his own adultery.

Returning home defeated and alone, his wife Trudy agrees to allow Pete to rent an apartment in the city for overnight stays.

Pete arranges a vote behind Don's back, and the other partners reluctantly agree to pay Joan to have sex with the executive to secure the account for them.

Lane Pryce struggles with his own demons as he is revealed to be greatly in debt and owing a good amount of taxes from when he moved his money to the US last season to help keep the firm afloat.

Peggy, having quickly risen through the ranks in her new career, is shown toasting a single glass of champagne to herself with a smile on her face.

A naked Roger looks out the window of his hotel room at the city, in the throes of an LSD trip, and raises both of his arms into the air.

Jennifer Getzinger, Scott Hornbacher, Michael Uppendahl, and Phil Abraham each directed two episodes for the season.

The site's consensus is: "With its brilliantly crafted characters, razor-sharp writing, and ambitious sweep, Mad Men continues to surprise and unsettle.