The show  is based on two twin sisters Bridget Kelly, and Siobhan ( both played by Sarah Michelle Gellar) . Bridget who is a recovering drug addict and ex-stripper living in Wyoming,  becomes on the run from the mob after witnessing a murder , believing  that her sister  Siobhan is dead, she decides to assume her identity.   Popularity  ? Although Ringer‘s popularity is still modest compared  to what  “Buffy the Vampire slayer”  had , [...]