While searching for a famous missing professor, a detective tangles with the professor's daughter, mistress, and two rival gangs of thugs chasing control over a disputed patent.While searching for a famous missing professor, a detective tangles with the professor's daughter, mistress, and two rival gangs of thugs chasing control over a disputed patent.While searching for a famous missing professor, a detective tangles with the professor's daughter, mistress, and two rival gangs of thugs chasing control over a disputed patent.