Deadfall: the Sequel to Blackbird - Blackbird

"A week ago, you woke up in Los Angeles with no memory of who you are. The only thing you knew: people are trying to kill you. You put your trust in Ben, but he betrayed you and broke your heart. Now you've escaped to New York City with a boy named Rafe, who says he remembers you from before. But the two of you are not safe. The same people who are after you are tailing Rafe as well"--Amazon.com.