Triptych is a Netflix series about a woman who discovers her doppelgänger. Unlike many similar stories that involve a supernatural ordeal, this one was pulled from the headlines and is loosely based on a true story that documentary fans might already be familiar with. That story comes from the 2018 documentary, Three Identical Strangers. Both are about identical triplets who were separated as babies and grew up without knowing anything about each other. However, they discovered each other later in life. That is the same story as Triptych, except with much more horrifying results in the latter series.