Hitchcock's trailer might prove even more entertaining than the movie.
(Marnie robs Mark's safe) Marnie was going about her business, like any normal girl. Happy, happy, happy.
(Marnie panics during a thunderstorm) What would account for this strange behavior? Has she just realized that she forgot her umbrella?
(Marnie and Mark smooch for the second time in the trailer) Oh dear, they're at it again. Let me assure you that this is all in the spirit of investigation.