"Every girl is frightened the night before her wedding, but this time... there's good reason!"
He Knows You're Alone is a 1980 Slasher Movie directed by Armand Mastroianni and featuring the first screen role of Tom Hanks.
A group of friends are preparing for the wedding of one of their own. A bride-hating Serial Killer begins hunting them down one by one. A cop whose fiance was murdered by the killer three years prior attempts to defend them.
This film contains examples of:
- Arch-Enemy: Ray Carlton to Len Gamble, whose fiance he killed.
- Artistic License – Animal Care: Marvin puts a goldfish directly into aquarium water. Fish in general need to spend a period of time floating in a plastic bag filled with water from their old habitat before being moved to new water or they die.
- Big Bad: Ray Carlton, the bride-slaying Serial Killer.
- Bolivian Army Ending: Amy asks Phil what he's doing, the screen freezes and zooms in on her eyes, she screams and the screen fades to red.
- Disproportionate Retribution: Ray kills his ex and embarks on a three-year-long killing spree because she rejected him.
- Downer Ending: Ray is arrested, and Marvin and Amy get together. On the day of their wedding, Amy is murdered by her ex-boyfriend in a Call-Back to Ray's first kill, implying that he will pick up Ray's trade.
- Fanservice:
- Amy in her underwear during the fitting for her wedding dress.
- Nancy bares her breasts in a Shower Scene.
- Here We Go Again!: It's implied that Phil will start killing like Ray.
- Horror Doesn't Settle for Simple Tuesday: Weddings.
- Kick the Dog: Ray Carlton decapitates Amy's roommate and leaves her head in a fish tank for Amy to find.
- No Social Skills: Marvin obsessively asks Amy out, gives her a fish every time he visits and rambles about forensic medicine to the point where he doesn't notice other people's reactions.
- Show Within a Show: The first kill happens during the screening of a backwoods sort of slasher.
- The Sociopath: Ray Carlton, a Serial Killer who murders brides the night before their weddings solely because he was rejected years ago.
