Mark is called to the hospital to help track down a contact for Louise. She was found unconscious without her handbag, phone or Epipen – and now her life hangs in the balance as she remains in a coma. She hadn’t listed an emergency contact on her staff file, and her small bedsit offers up no other clues as to where she might be from. Unless Louise wakes up from her coma, she remains a mystery ... (thetvdb.com)