Build suspense for a horror story in 100 words

"Hard to build suspense," Sharon lamented, "in such a short film."

"That's the parameters," Peter countered, "if we want to win the money we need to follow the rules."

"Without resorting to being a total fucking slasher movie, I don't see how," Sharon contemplated. Already late. "We're gonna need more coffee."

"It's only a 20 minute film," Peter expounded, "we just need to write a quick and dirty 20 page screenplay. Without resorting to lame horror gimmicks or shtick. No fucking clichés."

Sharon smirked. Peter found her even more attractive. "Oh, fuck it!" He said. "Let's just have sex instead!"