Simon reveals that he created the fog machine to force people encountering the fog to experience the betrayal he felt when his wife and best friend betrayed him .
With the fog cleared , the group finds Simon , now mad and delusional .
Simon reveals that Simon created the fog machine to force people encountering the fog to experience the betrayal Simon felt when Simon 's wife and best friend betrayed him .
With the fog cleared , the group finds Simon , now mad and delusional .