Financier persuades his mistress to marry a rich industrialist for his money, then discovers that he and the new wife are to be murdered by her new husband.

The multi-millionaire Eduard Schlüter takes part under the name Schulze in a raffle of his own Schlüter works and wins a stay at the Grand Hotel. Disguised as a poor swallower, he would like to study the reactions of the hotel staff and guests. As an assistant, he takes his reliable servant Johann with him. Once there, he makes friends and also has cause for annoyance when his daughter and the housekeeper arrive.

1960 film by Axel von Ambesser