A new teaser for season 4 of House of Cards shows Doug Stamper (Michael Kelly) and Frank Underwood (Kevin Spacey) digging up dirt on a lot.

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In the clip, at first it seems like Doug is upto doing his old dirty work for Frank, burying one of his murdered victims. As the camera pans up Frank is seen taking the shovel from Doug and holding it up, at which point the two of them start smiling and the flash of a camera is seen. The photo op in which Frank plants a tree in a forest for his 2016 campaign has ominous tones owing to his history.

Most teaser so far have shown Frank campaiging for his reelection, many of the previously releeased previews have essentially been promos of his campaign. But the latest teaser preceding this one was also evocative of Frank's seedy past.

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The clip strongly hinted at Frank's murder of Zoe Barnes (Kate Mara) as it shows a bouquet lying on the train tracks, quickly moving to Frank's campaign message --"Putting America Back on Track"--for reelection as president.

This also seems to suggest that Frank might continue playing dirty as he has done in the past to get to where he needs to be, meaning anything is fair game.

Season 4 of House of Cards is set to return on March 4.

Watch the new teaser:

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