Ernst Ehlert

Operetta diva Tilla Morland is celebrating her latest stage success with her friends at the Carlton Bar. At everyone’s request, she begins to sing the show’s main hit. While she is singing, a young man ostentatiously leaves the bar. Tilla cannot forget this incident, which she finds outrageous, and to her surprise, she recognizes the very same patron in her newly hired secretary, Ulrich Weidenau.

When the Paris airport management is informed by telephone that there is a time bomb on board a Canadian Atlantic Airways plane to Montréal, they initially believe it is a bad joke. But the caller answers again. Inspector Bignon gets involved...