August 21, 2013 at 04:51 PM EDT

Game of Thrones‘ Petyr “Littlefinger” Baelish (Aidan Gillen) isn’t just a slimy creep in Westeros. He’s pretty unsavory in the “real” world as well — at least judging by this exclusive NSFW trailer for Beneath the Harvest Sky, which will premiere at the Toronto International Film Festival in September.

The film chronicles the very separate paths of two best friends, Casper (The Place Beyond the Pines‘ Emory Cohen) and Dominic (The Great Gatsby‘s Callan McAuliffe), in small-town Maine. While Dominic spends his final harvest season picking potatoes, Casper gets drawn into the world of smuggling drugs across the Canadian border by his father, Clayton (Aidan Gillen). Also starring in the film is Sarah Sutherland (daughter of Kiefer). Behold Casper and Dominic’s unraveling friendship — and their wonderfully Canadian accents — below. (Warning: The clip includes some adult language.)

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