The Cleveland International Film Festival screening of the riveting documentary film "Three Identical Strangers." In New York in 1980, three 19-year-old strangers discover that they are identical triplets. Separated at birth, adopted, and raised by three different families, the triplets suddenly become famous around the world. But their story also sets off a chain of events that reveals an extraordinary and sinister secret that could answer controversial questions at the heart of human behavior.