"...twin sisters 'Bridget' and 'Siobhan' (Gellar) have been at odds and find that their lives are both unraveling at the same rate.
"Bridget is on the run from the underworld and in order to survive she takes over Siobhan's life after she mysteriously disappears, soon discovering her estranged sister's life isn't as mundane as she had once thought..."
From Warner Bros. Television, CBS Television and Brillstein Entertainment Partners, "Ringer" will debut September 13, 2011.
Click the images to enlarge and Sneak Peek "Ringer"...