With a syringe full of salvarsan, the obsolete anti-syphilis drug? After persuading the deserving victim, that he should imitate his father's death by his own hand. . . . Another most curious case for Boston's plainspoken Knute Serverson which proceeds from venereal disease to an illegitimate birth to another tainted mortal sin, incest, and all catering to curiosity rather than common sense. With these givens it would be hard to think otherwise.