9/11 was possibly the defining historical occasion of the postwar age. Broadcast live worldwide like horrible theatre, it was a moment in history imprinted onto people's memories. However what was it like to really endure, and just how easy is it to carry on from a day that society intends to go on remembering? Twenty years on, this movie unites 13 ordinary people that were caught in an occasion they weren't able to totally comprehend at the time and which they are still working through.