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 However, he sees the impostor, "Martin B," already in a meeting with Bressler. As Martin attempts to prove his identity, unknown Martin B shows him his ID and family photo – both of which have Martin's name, only with his face replaced by that of the impostor. Disillusioned by the identity crisis, Martin falls unconscious and finds himself back at the hospital. Smith, an assassin sent to target him, kills Nurse Gretchen Erfurt, but Martin escapes.
He then seeks help from Nurse Erfurt's friend, private investigator and former Stasi agent Ernst Jürgen. Martin's only clues are his notebook and Gina, who works at a diner after being fired from the taxicab company since the incident. While Martin attempts to persuade Gina into helping him clear up his identity problem, Jürgen digs up information related to Martin and the biotechnology summit. He discovers that the summit is to be attended by Prince Shada of Saudi Arabia, who is funding a secret project headed by Bressler. Prince Shada has survived numerous assassination attempts from extremists in his own country, and Jürgen suspects that Martin's identity theft may be another attempt at taking the Prince's life.
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