Bridget is six months sober and starting to get her life back on track when she becomes the sole witness to a professional hit. She flees to New York, telling no one. In New York, Bridget reunites with her estranged twin, Siobhan. Wealthy, pampered and seemingly happily married, Siobhan lives what appears to be a fairy tale life. The identical twin sisters seem to be mending their frayed relationship, until Siobhan disappears overboard during a boat trip the two take together, and Bridget makes the split decision to take on her sister's identity. She discovers shocking secrets, not only about her sister and her marriage, but other secrets as well. Bridget soon realizes she is no safer as Siobhan than she is as herself.
The ultimate double cross
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Did You Know?
The show was green-lit by CBS, who were interested in working with Sarah Michelle Gellar
. They failed to pick up to the pilot to a full series, citing that it was down to a lack of available spots on the schedule and the serialization of the show not fitting in with CBS's procedural nature. However, the show was immediately picked up by the CW network thereafter. See more
The title credits utilize special effects in that the "N" in Ringer splits into two opposite pieces symbolizing the twin sisters that are often opposed to each other. The written credits that appear under the title are split but become one piece, symbolizing the sisters taking each other's place to appear as one person. See more