The widow of a scientist who was murdered by his colleagues goes undercover at the research lab where he worked to expose them.

When Janet Furie's scientist husband dies during an experiment gone wrong, she suspects that he was murdered by another scientist, Dr. Martin Becker. She hatches a clever revenge plan. By changing her looks and assuming a new identity, she insinuates herself into the life of Dr. Becker, all the while plotting to destroy his life and career. But is Dr. Becker really guilty?—Anonymous