Skyscraper (2008)

Wednesday night at Tigra Group: Chemical Researcher Chris Wilson finds himself walking out of the lift after it bizarrely stops at the 20th floor. Exiting the lift he finds the security guard lying dead in front of him. Panic enters his body and his vision narrows. Chris is left with a seemingly impossible mission ahead of him - survive and save his girlfriend and colleagues, by attacking his aggressors. A simple man, in the wrong place at the wrong time, with all the odds against him, Chris has to become a killer in order to become a hero!