When US Trade Consul, Allan Wexford, and his daughter go missing, Wanda Martin flies to Austria to find them. Operating on her own, using old and new skills, she begins to unobtrusively unravel Wexford's movements. However, when she unintentionally steals a pouch of valuable diamonds, trouble begins to follow her. She becomes a person of interest to both the police and a group of violent criminals, and must walk a fine line to remain unidentified...