The revenge

"After a bad breakup, Tony's ex-girlfriend Hope embarrasses him in front of the whole school and spreads vicious rumors. Tony is devastated and in a moment of revenge, he makes the location of her phone public. But a week later, when Hope calls Tony and begs him to stop the prank, he hears a shriek and a car door slamming. Then the call is dropped. Too late, Tony realizes that he may have put Hope's life in danger. Can he trace Hope's movements and save her before times runs out?"--Amazon.com.