A plantation owner's daughter falls in love with the handsome plantation foreman Andrea, but her father disapproves of the relationship. Andrea is fired, and he runs away with a native girl. To make sure that he will not leave her, the black girl gives him a "magic" potion... turning Andrea into her white slave.

During a party a drunken guest falls from the terrace, killing himself. The police inspector in charge of the investigation suspects all the participants in turn, and mysterious stories come to light.

A precious painting suddenly disappears from the house of a noble Italian family. A relative from America investigates the mystery.

A good lady, taken by the fear of getting old, gives herself to the frivolities of worldly life.