Exciting new details have emerged about Sarah Michelle Gellar’s new CBS series, Ringer, which sounds potentially even more intriguing than the goings on in Buffy‘s old Sunnydale universe.

If her pilot is picked up, Sarah Michelle will star as twin sisters, Bridget Cafferty and Siobhan Marx. Bridget, we’ll learn, is a recovering addict who is about to testify in court against a dangerous murderer. The morning of the trial, she slips away and goes on the run from the FBI. With no where else to go, she reaches out to her estranged sister, Siobhan, who seems to have it all:  money, clothes, a ritzy Upper West Side apartment and a loaded, hot hubby named Andrew.

Soon after Bridget contacts her sister, Siobhan commits suicide — or so it seems.

This twist of fate allows Bridget to assume her “dead” sister’s identity, unaware of just how messed up Siobhan’s life secretly is. It doesn’t take long for Andrew to notice that something’s off about his wife. Continue Reading at TV Guide