When sh't hits the fan, humans are programmed to do one of two things: fight or take flight. The unfortunate truth is that while some noble humans take up arms to fight battles that aren't theirs, the vast majority will opt not to risk their necks and run as far as their feet can take them instead. Either that, or even their legs betray them and they freeze where they are, just watching the whole scene unfold before them.
All this is exemplified in this viral video ad for Dead Man Down, which is an upcoming movie starring Colin Farrell that involves a fair amount of blood and violence with some much-deserved sex scenes squeeze in the middle. As an experiment, the PR people behind the movie had one guy pretend to strangle another one with an extension cord in the elevator.
As for what happens next, you can check out the clip above and see for yourself.