The project 46-year-old actress previously helmed a part of Robert Connolly's collection of short stories, "The Turning", according to The Hollywood Reporter.
Based on the true story, the show follows a German Australian woman, Cornelia Rau, who in 2004 escaped a frightening cult only to be trapped in a labyrinth of psychiatric and legal systems, landing her in Australia's notorious Baxter Immigration Detention Center.
NBCUniversal's Australian shingle Matchbox Pictures is backing the show.
The "Elizabeth" actress will direct from a screenplay written by Elise McCredie. It is unclear if Blanchett will also star in the drama.