A film crew arrives at Buckshaw, the de Luces' decaying English estate, to shoot a movie starring the famed Phillis Wyvern. Amid a raging blizzard, the entire village of Bishop's Lacey gathers at Buckshaw to watch Wyvern perform, yet nobody is prepared for the evening's shocking conclusion: a body found, past midnight, strangled to death with a length of film. ... As the storm worsens and the list of suspects grows, Flavia must use every ounce of sly wit at her disposal to ferret out a killer hidden in plain sight.