(12:06 AM Shooting Call) Officer Pat Logan and Officer Jimmy McGee head to a call of two people shot In the legs. In the last 5 days 9 people have been shot of drugs. Rival drugs dealers on the edge of town. Suspect with "cop-killing'' bullets in gun; officers help confused senior.
Three people are killed, and the murderer leaves a copy of the ABC Railway Guide next to each dead body, apparently to taunt the police. Then he (or she) challenges Hercule Poirot to solve the crimes.
The Randeacute;sistance want Renandeacute; to set up a mobile radio station. The necessary equipment is dropped by a British plane. Unfortunately, it drops down one of the chimneys of the chateau.
Randeacute;ne and his staff take the place of a flamenco dance group booked to perform at the chateau, so that they can retrieve the radio equipment.
Lieutenant Gruber had arranged to deliver a photograph of the painting of the 'Fallen Madonna' to a Spanish art expert who is posing as a member of the real flamenco dance group. Gruber gives the photograph to Monsieur Alphonse, thinking that he's the art expert.