Waking up in a hospital room the day after being attacked -- her mind stripped of all memory of what happened to her -- Claire can only listen with horror to the scenario Detective Sean Richter unfolds before her. A law officer fiercely dedicated to ending the wave of brutal killings that has struck the city, Sean knows that this brave and beautiful woman holds the key to stopping the murderer before he can strike again. Claire is the only victim who has seen the killer's face and lived -- which is why Sean needs her help and will risk everything to protect her.