This director's films, like "North by Northwest", often have a wrongly accused hero
... where the wrongly accused is trying to save himself while also escaping both... [DOC] [TLE] North by Northwest (1959) - The Alfred Hitchcock Wiki [PAR] Cary Grant and Eva Marie Saint in "North by Northwest" ... "innocent man" films, 
and the two began sketching out further ideas for the storyline.