Quincy, M.E. - Season 7 Episode 1 Memories of Allison
Overview: Sam and Quincy are attending a job fair for students when a woman falls down an escalator, just after shouting at someone who has been following her. While she is in hospital it is discovered she has a severe case of posttraumatic amnesia. A high price assassin is caught in her hospital room not long afterwards and leads to even more interest in who she is and why someone would want her dead.