Armitage runs a chemical company that is on the verge of producing a gas that causes temporary disability. Clearly the military want it but it is also sought by a group of Japanese. Both Armitage and Madam Greenfly hire different people in the same detective agency to guard the gas and steal it respectively... confusion, double crosses and hilarity ensue...

Comedy

James Booth, Richard Briers, Julie Ege, Ronald Fraser, Donald Sinden, Tsai Chin