Dr. Hohner, theatre physician at the Vienna Royal Theatre, murders his mistress, the star soprano when his jealousy drives him to the point of mad obsession. Ten years later, another young singer reminds Hohner of the late diva and his old mania kicks in. Hohner wants to prevent her from singing for anyone but him, even if it means silencing her forever.

In New York City, a newly hired photographer becomes embroiled in a scandal when her photo is mistaken for evidence of a murder and she must try to prove her own innocence.