The engineer MacAllan designs a tunnel, which will join America and Europe together on the seabed. A group of American billionaires are financing the gigantic project, but the construction of the tunnel is proving to be as tedious as it is dangerous. MacAllan's worst enemy is the speculator Woolf, who had embezzled the money for the construction and who is attempting to cover up his crime by carrying out acts of sabotage. Also filmed in 1933 in a French-language version, LE TUNNEL, and remade in 1935 in England as TRANSATLATIC TUNNEL.

A successful German overseas merchant with a plantation in Haiti is looking for a suitable wife in Hamburg and comes across a barmaid from the Reeperbahn with an illegitimate child. He wants to marry her, but she does not follow him out of nobility. In search of her, he finds her in Mexico as the secretary of his former lover, a writer.

After the operetta of the same name of Richard Heuberger in 1890-1914 all kinds of situation comic from happy-go-lucky Vienna of the turn of the century, the time of the first cars and the absurd bath costumes: Husbands in the Chambre Separee, her little dizziness and mistake plays, the tumultuous whirl of a grand ball... - A high-spirited comedy at considerable entertainment level.

Best friends David and Philip have to end their love affair with their mistress Aimée which they - not knowing of each other - share, because they are going to marry their sweethearts Gaby and Viola. Of course Aimée will not accept her defeat. She interferes the engagement of Gaby and David, which lead to some turbulence and change of horses before they all end up in their honeymoon.

Shortly after being demobilized, Georges Duroy becomes aware of his power over women in the arms of Rachel, a young singer. Thanks to his good looks and his charming manners and his unabashed cynicism he will rapidly rise to the top by courtesy of women women (Mme Walter, Clotilde, Madeleine), from journalist to member of Parliament to cabinet minister. But it is also the fair sex that will cause his fall in the end.

A romantic skirmish between an intrusive operetta tenor from the Berlin Theater and a revue diva in Barcelona, who later encounters him, initially unrecognized, as a ballet dancer and, after they marry, plays the role of a housewife to cure him of his arrogance and flightiness. He himself is no stranger to deception, but their joint stage finale is not far off.

When Bartos, the director of the Odeon variety theater, cancels an artist at short notice, he hires the Terrys out of necessity, whose parents were successful variety artists, but who had not yet received an engagement themselves. Both are supported by Tobs, a friend of their parents. While blonde Mara Terry arrives punctually for the first rehearsal, her dark-haired sister Kora is late like a diva and acts aloof and snippy. At their first performance together the next day, Kora is overtired from partying the night before. During a dangerous act in which she has to balance her upside-down sister on her head, she becomes careless...