• Jon Hamm arriving on the season five premiere of "Mad Men".

Jon Hamm arriving on the season five premiere of "Mad Men". (Photo : REUTERS/PHIL MCCARTEN)

"Mad Men" Season 7 is only three episodes away from its series finale. AMC will air Episode 12 in the second half of the seventh season of the series on May 3, 2015. The upcoming segment is titled "Lost Horizon" and revolves around Don Draper (Jon Hamm), Joan Harris (Christina Hendericks) and Roger Sterling's (John Slattery) lives at Sterling Cooper & Partners. Here are few spoilers for next episode of "Mad Men" Season 7.

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[Spoiler alert! This article contains spoilers for "Mad Men" Season 7. Please do not read further if you don't want to know more about it.]

The network continues to keep the details about upcoming episodes under the wraps. However, the brief synopsis for "Mad Men" Season 7 Episode 12 teases what one can expect in "Lost Horizon."

According to Cartermatt, as the show moves towards its finishing line, Don is honored with a reward for his efforts in Episode 12. Meanwhile, Joan will find herself in a conflict with one of her colleagues. Joan get into a tiff at work over an issue related to an account.

As for Roger, he has a big decision to deal with. However, he dodges the situation. AMC has released a promo video (via YouTube.com/Series Every Day) giving a glimpse of the events of Episode 12 and the return of Harry Crane. Scroll down to watch the video.

What are your predictions about the upcoming episode of "The End of an Era?"

"Mad Men" Season 7 Episode 12 "Lost Horizon" airs May 3 at 10:00 pm AMC. Stay tuned for more spoilers.