Gus Backus

London crime reporter Barney Blair has an appointment in his office with Janosch Kovac, the hotel detective at the Hotel Atlanta in San Remo. The informant wants to sell Blair some explosive background material, but it doesn't get that far because the man is stabbed to death beforehand. Blair goes to the hotel, where the film and music festival is currently taking place, to investigate the case himself and soon senses a big story.

Martin Hinterkirchner, dissatisfied with his position, sends the hits he has secretly composed to a manager. One of them would be ideal for the famous singer Linda Borg, but her manager refuses. Unfortunately, Martin now blames Linda and has nothing good to say about her - in contrast to his grandfather Leopold, who met Linda at a dog show. When Martin stands in for his untalented friend Peter as a singer at a hit song competition and mistakenly believes he has failed, he returns to his Tyrolean home village of Himmelberg. Peter, on the other hand, accepts a contract even though he cannot sing the required duet with Linda Borg and looks for excuses. Linda travels to Tyrol in a bad mood because she has received love letters from there. She has no idea that Martin's grandfather Leopold is the secret sender who wants to get her to sing Martin's hits.

Music student Susanne and her cousin Monika inherit an alpine pasture. They have no idea that their hut is being used by a gang of smugglers as a temporary storage facility. While Susanne and her friends use the paradisiacal place to celebrate and play music, the crooks try all sorts of tricks to get hold of their hot goods.

Prospective hotel owner Carlos is having problems with the completion of his hotel on the Adriatic. He quickly asks his niece Vivi in Germany to cancel the bookings he has made so far. Unfortunately, his telegram reaches her too late and a motley group of guests arrives. They promptly pitch tents in the garden of the half-finished building.

Consul Keyser, a factory owner, is vacationing with his daughter Marion on a Mediterranean island, hoping to bring her together with his assistant Dr. Thomas Steffen. On this island, however, the passionate fisherman Michael Lutz and his somewhat neglected admirer Barbara Holstein already spend their vacations.Michael asks the singer Bob Stuart, together with his band in their ghost costumes to drive away the annoying newcomers again. However, it no longer comes to this, because on behalf of Gina, the wife of the local police chief, real gangsters appear with the tourists and finally flee with their dinghy. So now the vacationers have to rely on each other willy-nilly, and the couples finally find each other.

Birgit is a model from the city and sweetheart of the farmer's son Rolf. Incognito she takes a job as a maid on their farm.

The five guys of the band "Sunny Boys" go to Polynesia, where they are forced by external circumstances to throw themselves back into women clothes.