A building, a landing, two tenants: he, Jacques Loursier, is president of the U.R.A.F (Union and Resistance Anti-Woman); she, Eliane Cahuzac, is president of the Association for the Triumph and Independence of Women. Unaware of each other until then, a cold war begins between the two parties. An attempt at conciliation fails then, after many adventures, love triumphs.

Renaud, a young student who is camping alone at the moment, has a dream one night, in which the woman of his dreams appears. When he wakes up the next morning, he cannot believe his eyes: the creature of the dream is there by the side of the road, in the flesh! The woman accepts to drive Renaud to Montargis but it is only after she has dropped him off there that he realizes that what he experienced for her was love at first sight. He then decides not to return to Paris but to try and find the wonderful stranger in Montargis. He discovers that the woman's name is Clara and that she is the member of a drama company.

Back from a stay in the Far East, a woman who knew the names of the chiefs of a drug ring is murdered. Georges Masse, the famous reporter, decides to investigate, accompanied by his faithful photographer P'tit Louis. He will come across some unappetizing characters like M. Dubois, a killer, Luigi Costelli, a dangerous trafficker and a beautiful but dubious lady, Suzanne Wilson. After being himself suspected, Masse will make the truth triumph.

For the Marquis Barbezieux de Saint-Rosay, nobility is important. If anything can comfort her, it's her family tree. In order to erase any doubt he invites in his castle a cousin of his established in Scotland, whom he instructs to bring him his titles of nobility. A first person introduces himself, calling himself his cousin, but it's not him. Then one, then two, then three false cousins ​​appear in turn. Will the real Saint-Rosay of Scotland eventually present itself?