Phoebe Dynevor has traded in Netflix's most popular period drama for a 21st-century romantic thriller in Fair Play, in which the Bridgerton breakout stars opposite Alden Ehrenreich (Oppenheimer) as a couple whose relationship is threatened by an unexpected promotion.

Dynevor and Ehrenreich play the newly-engaged Emily and Luke, who must keep their personal life a secret during working hours, due to office protocol. When Emily lands a coveted promotion at their cutthroat hedge fund, the power dynamics between the two shift and their relationship is pushed to the brink. Fair Play also stars Eddie Marsan, Rich Sommer, and Sebastian De Souza.

The film marks the feature debut of Chloe Domont, who cut her teeth writing and directing episodes of the HBO series, Ballers, and directing episodes of CBS's Clarice and Showtime's Billions. Two-time Oscar nominee Rian Johnson, who serves as an executive producer, calls it "the kind of twisted erotic thriller for grown-ups that we all need more of."

Fair Play premiered during this year's Sundance Film Festival and opens in select theaters on Sept. 29, before streaming on Netflix starting Oct. 13. Watch the trailer below.

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