Lucie Henebelle, single mother and beleaguered detective, has enough on her plate when she receives a phone call from an ex-lover. Lucie's old friend has developed a case of hysterical blindness after watching a mysterious film from the 1950s. Embedded in the movie are subliminal images so heinous that Lucie, with the help of brooding profiler Inspector Franck Sharko, is determined to get to the bottom of it - especially when nearly everyone connected...