The teaser of Suriya-starrer Tamil sci-fi thriller "24", with its world class visuals, will leave audiences in awe as well as intrigue them with the time-travel concept on which the core plot of the film is based.IANS was given an exclusive sneak peek of the one-minute teaser, which will be released on Friday.Going by the teaser, the film features Suriya in three diverse roles from which it is very evident that he also plays the baddie.It could also be learnt that Suriya plays a scientist and a gangster, while the third role is kept under wraps.Without giving too much away, the teaser smartly introduces the time-travel angle which is a pivotal part of the story.The action-packed teaser is aptly supported by some breathtaking visuals, razor sharp cuts and A.R. Rahman's fitting score.According to director Vikram Kumar, Suriya insisted on doing stunts from the film without a body double.Gnanavel Raja, the film's producer, said the film will hit the screens in April."24" also stars Samantha Ruth Prabhu, Nithya Menen, Girish Karnad and Ajay.