Julianne Moore (Laws of Attraction, The End of the Affair) is Catherine, a successful doctor who suspects her handsome husband David (Liam Neeson Taken, Love Actually), is cheating on her. To silence or answer her suspicions once and for all Catherine hires an irresistible and alluring young woman, Chloe (Amanda Seyfried Mamma Mia, Mean Girls), to put David’s fidelity to the test.


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As Chloe’s seductive behavior begins to obsess Catherine, events take an unpredictable turn with potentially fatal consequences for her family.

From the creators of Juno, Disturbia and Secretary.