Like the keepsakes Don Draper stowed in a locked desk drawer, much of the Mad Men character's feelings are hidden from the world, fueling his semblance of seclusion.

AMC highlights Draper's lone demeanor in this new trailer for the Emmy-winning drama's sixth season, which premieres April 7 with a two-hour episode.

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What are your predictions for the season? Throw your guesses in the comments below.

Stills From the Premiere of 'Mad Men'

Images courtesy of Frank Ockenfels/AMC