“Interchange” follows a man named Adam, a forensics photographer who is dragged by his best friend, Detective Man, into an investigation of a series of macabre ritual murders in the city. Adam soon befriends Iva, a woman who is on a mission to rescue the souls of the people in her tribe that have been trapped inside a glass plate negative. The tribe`s spirit, played by Nicholas, takes on the form of a human in order to help Iva.