WARNING! This Post Contains MAJOR SPOILERS!!!
As reactions to Split continue to spread, fans are discussing the reveal that this film is actually set within the same universe as Shyamalan's 2000 hit film, Unbreakable. With Split ending with an official cameo from Bruce Willis, it's clear that there's some important connective threads being woven between the two.
With that in mind, We explain Split's Connection to Unbreakable!