Rachel Weisz Tries to Stop Sex Slavery (Without Ashton Kutcher) in The Whistleblower Trailer

Last year at this time, a low quality trailer for the Rachel Weisz thriller The Whistleblower found its way online. Since then, the film premiered at the Toronto Film Festival and was picked up for distribution by Samuel Goldwyn Films, who have finally released the official trailer. Based on the true story of Kathryn Bolkovac, a Nebraska police officer who ends up uncovering child sex slavery and human-trafficking in post-war Bosnia, the thriller co-stars Vanessa Redgrave, David Strathairn and Monica Bellucci. Anti-sex slavery PSA impresario Ashton Kutcher, you're going to want to pre-order tickets for this one.

The Whistleblower reaches theaters in limited release on Aug. 5. Head over to Apple to watch in HD.