Six people travel by overnight train from Marseilles to Paris. When they arrive, one of them, a young woman, is found dead in a sleeping berth. The police, led by Inspector Grazzi, investigate the other five passengers, suspecting that one among them was responsible. However, as the investigation is stepped up, the others start turning up dead. It's up to the remaining two to solve the case, lest they become the next victims.

Gustav Hartmann is in trouble. Because of the new taxis he doesn't get many passengers in his horse-drawn carriage. To prove what he and his horse are capable of, he starts a trip from Berlin to Paris.

Mary and Louis have been married for 10 years and have 2 children. Louis is a construction worker who, to support his wife and children in a comfort, works more and more. Mary asks Louis to spend more time with his family, but he replies that it is impossible. Marie makes the acquaintance of a former teacher of her son, he seems seduced by Marie who invites her over several times in the company of his children, his home ... The couple become unglued a little more when Louis meets a young prostitute. Can the couple manage to get through this?

A Paris real estate developer feels compelled to withdraw from his seemingly perfect life into a world of his own. Is the man going insane? By conventional standards, maybe, but it's clear that the life he's fleeing is madder still from his point of view, and since that point of view is unfailingly witty and astute, we even come to accept his delusions as more "real" than reality.

Professor Calculus's friend develops a blue-skinned orange that can grow on any kind of land and survive harsh weather (in the manner of Lue Gim Gong) and therefore solve world hunger. The Professor and his friends, however, run afoul of gangsters who also covet the fruit. The adventure takes them from their home in Marlinspike Hall (Moulinsart), a fictional mansion that is presumably in Belgium, to Spain, where Calculus and another scientist are kidnapped.

After testing their love, Pierre and Anne decide to leave each other.

Two police inspectors pursue a dangerous counterfeiter on the run.

Renowned atomic scientists are kidnapped on French soil. Inspector San-Antonio and his loyal deputy Bérurier infiltrate a gang suspected of involvement in the case, in order to trace the trail.

A German intelligence officer investigates a prostitute's killing in Warsaw during World War II. He lands on three major Nazi generals as suspects, two of whom are also involved in a plot to kill Adolf Hitler.

From their native Algeria, four friends discover Paris, hoping to find fortune and love. One of them meets the charming Sandra, who is looking for meaning in her life.