I am not into mind-altering drugs and Limitless backs up my argument. The movie has an edge to it and you can sense the edginess in the trailer as well. Bradley Cooper plays a copywriter who is introduced to a top-secret drug, just like any teenager, right? 

The copywriter is told that the drug will allow him to do whatever he wants to do. The drug gives him super human abilities. The usage changes his life. Meanwhile, the effects of the drug are starting to take notice, and a group of killers are following his every move.

The movie is considered a science fiction thriller, also starring Robert De Niro, Abbie Cornish and Anna Friel.