The Saviour

Kartik meets Pia at the airport as she is about to fly to Mauritius for a wedding. He warns her not to go as she will be shot and killed there. Pia panics but flies to Mauritius anyway. Kartik follows her to Mauritius and keeps proving to her that he can actually see the future. Who is Kartik and what does he want? How does he know so much about Pia? Does Pia really get shot and killed in Mauritius?