Piggy and Charley's second serial begins when a frogman delivers a note, and the duo are sent in search of the formula for the Clumsy Drug, alongside Cyd Hayman as Madame Eloise Coqoutte. Corbett and Barker also play the two villains, the notorious Mr Greensleeves and his Japanese henchman Bobjob. In the end the mystery is solved as the formula is revealed on a pair of women's knickers. The endings for "Death Can Be Fatal" were based on more, as Corbett put it, 'exaggerated Dick Barton lines', such as "Is this the end for our two heroes? What of Madame Cocotte? Is she in some bedroom somewhere, lying in wait with a silencer? Or lying in silence with a waiter? Find out next week in another exciting episode, "Villa of Villainy"."