On a network TV landscape filled with plenty of generic, basic plotlines (doctors and lawyers and cops, oh my), The CW’s upcoming series Ringer instantly stands out, with its complex, intriguing storyline. In her first series since Buffy the Vampire Slayer, Sarah Michelle Gellar stars as Bridget, a woman with a troubled past, who finds herself on the run after she witnesses a crime. When Bridget’s much better off twin sister, Siobhan (also played by Gellar), kills herself — with no one but Bridget aware of this fact — Bridget assumes Siobhan’s identity, only to discover her sister...