Writing an effective short film is not easy.
Here’s an example of a good, funny concept told “cinematically” and with great pacing, tension and a surprising denouement. Beautifully shot in 1 day with a Red and much creativity (kudos to the filmmaker and his team!).
For more details on the shoot, here’s a Q&A with the filmmaker (but watch the short first!): http://www.lightsfilmschool.com/blog/short-film-light-the-short-side-of-the-face-first/1658/