Lapse of Memory (1991)

After a terrible accident, a psychiatrist has to help Bruce to regain his memory. In flashbacks, we learn that his family had to flee from New York City, after his father uncovered a large case of corruption. Bruce didn't know this for most of his life, until he found a passport with a different name in it. After the first shock, he tries to continue living like a normal teenager. Unknowingly, his cute little girlfriend "Patrick" brings them in danger.