In a fictional country, Lena Kort, a talented singer and kleptomaniac, performs in exclusive venues. She is looked after from afar by a wealthy gentleman named Lewaso. The artist is associated with the theft of diamonds from wealthy jewelers. Checks from her wealthy guardian protect Lena from prison. While closing down an illegal gambling house, the police arrest a major fraudster, who turns out to be Lewaso. Lena falls in love with the young chemist Walter King, who helps her recover from a fatal illness. The young couple begins a new life.