Yo, the preview's got sneak peeks of other crazy situations, like a dude with a gun at the airport taking a hostage and a bomb scare in an elevator. Right off the bat, it shows how dangerous and frantic things are, hinting at the need to think fast to avoid disaster.
It shows us Jack Traven, who's Keanu Reeves, as the unlikely hero who's gotta deal with all this madness. The preview really hammers home the pressure and stakes he's dealing with, showing off his grit and skills during some intense action.
The trailer uses fast edits and suspenseful tunes to get you hyped for the movie's excitement. It introduces the main people and what's up with the storyline, specifically this bomb-on-a-bus problem that needs a clever fix to keep everyone alive. Basically, the preview leaves you wanting more, giving you a taste of the action-packed ride ahead.