Lionsgate has just released an exclusive trailer for upcoming horror film Antebellum starring Janelle Monáe.

The trailer shows Veronica Henley (Monáe) living a happy life with her family and then suddenly thrown back into one of the most terrible times in US history. Gerard Bush and Christopher Renz directed the film and tells the story of “successful author Veronica Henley (Monáe), who finds herself trapped in a horrifying reality and must uncover the mind-bending mystery before it’s too late.”

Antebellum hits theaters on August 21.