Private detective Tatyana Ivanova investigates the mysterious murder of talented artist Mikhail Polyanov. He seemed to have a premonition of imminent death. His last painting shows an obscure silhouette of a man. It seemed to Mikhail's mistress that she had already seen him somewhere, but where and when? Tatyana is also familiar with the man in the picture, but the blurred outlines do not allow her to grab onto the slipping thread. But Tatyana is sure of one thing: the person in the picture is the killer. Who is he?..