Dianna Agron Is Dark and Gritty Like You've Never Seen Her Before in 'Hollow in the Land' Clip (Exclusive)

The former 'Glee' star and Rachelle Lefevre co-star in the neo noir crime thriller, out Dec. 8, and ET has an intense first look.

Dianna Agron has come a long way since her days playing a rebellious, acapella-singing cheerleader on Glee. This year alone, she's portrayed a slick hacker in a dystopian not-so-distant future (The Crash), a conflicted nun, Sister Mary Grace (Novitiate), and her role in the upcoming crime thriller, Hollow in the Land, may be her darkest and grittiest yet.

In this exclusive clip, Agron's Alison sets out to uncover the truth when her brother is involved in a brutal murder, but is warned by The Twilight Saga's Rachelle Lefevre not to play amateur detective: "I don't want to see you get into something you can't back away from."

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Hollow in the Land marks the feature directorial debut of Scooter Corkle (who, fun fact, was a grip on Air Buddies -- talk about versatility!), who says of casting Agron, "Dianna has this natural ability to just pop into character. She's got this bubbly, excitable energy always, and then when the cameras roll it turns off and she's into Alison mode -- but she needs that bubbling, fun part to fuel her performance."

Watch the full trailer for Hollow in the Land:

Here is the movie's official synopsis:

"With her father in jail and her mother having left when she was young, Alison Miller is the matriarch of the family watching over her only sibling, Brandon. But on the anniversary of their father’s crimes, their family is pushed to its limits: a dead man has been found in a trailer park and Brandon is missing from the scene of the crime."

Hollow in the Land arrives in theaters and available on iTunes on Dec. 8.