A wealthy couple is robbed and abducted by three desperate criminals. But things go wrong and two of the kidnappers are killed. The third kidnapper, a woman, is lying seriously injured in a hospital bed. She won't talk, and the detective in charge of the investigation is sure there was more to the kidnapping than just money, much more! Who is the mystery woman, and what was her real motive for the crime? The more the detective uncovers, the more intriguing the mystery becomes!