There is a suicide at London Airport, an attempted murder in Kowloon, and pretty young Denise Morrison had previously been brutally strangled in Kensington. Scotland Yard, Interpol, and the Australian Police are all trying to find the link. Then there is an ocean liner with all of its passengers under sentence of death. Roger ('Handsome') West of the Yard is needed and flies out to assist the Sydney Police in their efforts to prevent a madman from taking revenge and unleashing destruction on an unprecedented scale.