Olivia Finn is a memory expert at Charing Cross Hospital in London. One night, she receives an urgent call from the police at the Hotel Lutetia on Paris’s famous Left Bank. Olivia’s French grandmother, Josephine Benoit, has appeared at the Lutetia in a distressed state claiming she once committed a murder in the hotel at the end of the Second World War. Traveling to Paris, Olivia finds her grandmother confused. But Josephine insists it is a recovered memory from the past. More disturbingly, hotel records show that a woman did die in that room of the Lutetia in 1945. Could her story really be true? As people start dying in the present day, Olivia is plunged into a race against time to uncover the truth about Josephine and what really happened all those years ago.

Anna Ogilvy was a budding 25-year-old writer with a bright future. Then, one night, she stabbed two people to death with no apparent motive --- and hasn’t woken up since. Dubbed “Sleeping Beauty” by the tabloids, Anna’s condition is a rare psychosomatic disorder known to neurologists as “resignation syndrome.” Dr. Benedict Prince is a forensic psychologist and an expert in the field of sleep-related homicides. His methods are the last hope of solving the infamous “Anna O” case and waking Anna up so she can stand trial. But he must be careful treating such a high-profile suspect --- he has career secrets and a complicated personal life of his own. As Anna shows the first signs of stirring, Benedict must determine what really happened and if Anna should be held responsible for her crimes.