An amnesic young woman is found fainting on a bench. A tattoo identifies her as Erica Olsen, ex-companion of a Chinese scientist who holds atomic secrets.An amnesic young woman is found fainting on a bench. A tattoo identifies her as Erica Olsen, ex-companion of a Chinese scientist who holds atomic secrets.An amnesic young woman is found fainting on a bench. A tattoo identifies her as Erica Olsen, ex-companion of a Chinese scientist who holds atomic secrets.