Like a lot of mediocre movies it's not about much more than the immediate emotional response it's trying to generate. The filmmakers realize this and make an effort to shoe horn some themes in ... it just makes an already muddled movie even more muddled.
It may be a mediocre thriller, but it's a nice drama about rekindling the spark in a dying marriage. If you don't buy that, consider it a 110-minute fashion show, with more clothing changes than Project Runway.
Ohmigod - ya feel that? That rumbling in your ribs, that hiccup in your heart, that frigidness in your frontal lobe. It's a premonition that the act of buying a ticket to "Premonition" will result in tragedy.
If the director seems to show Sandra no mercy as she's instructed to run around breathlessly for two hours in circles through the past, present and future in no particular order, imagine the even greater toll this movie takes on the exasperated audience.