thriller ideas

When we were analyzing 'seven' we decided to come up with the same sort of idea, an opening with no real story line. we liked the idea of the viewer not knowing whats going to happen next. we looked at the idea of abstract objects like chains and scissors, instead of doing lots of acting, we chose doing this idea because it is stereotypical for lots of acting to be used in a thriller opening. we didn't really like the idea of knives and guns to be used in our thriller because its quite a boring and everyone uses