Wikimedia Commons/The Gray House TV series TV Uncover a secret Civil War spy ring led by women in Richmond. A new historical drama produced by Costner & Freeman, streaming on Prime Video. April 6, 2026 AceShowbiz - The Gray House is a gripping historical drama series that premiered on Amazon Prime Video on February 26, 2026. Produced by Kevin Costner and Morgan Freeman, the series illuminates a daring chapter of the American Civil War, focusing on a female-led espionage network operating within Richmond, Virginia, the Confederate capital.