Mr. Wong, Detective

In San Francisco, chemical company senior partner Simon Dayton seeks detective James Lee Wong's help fearing for his life. Before their meeting, Dayton is found dead in his locked office from poison. Captain Sam Street suspects scientist Carl Roemer, but Wong explores other suspects and methods, including Dayton's partners and associates, aided by Street's girlfriend, Myra Ross, who trusts Wong's thorough approach over Street's quick conclusions.