Drake 's sent to Rome to investigate the death of an agent who'd been sent to look into a murder -for-hire. To find the killers, Drake sets a trap, and hires the organisation, to kill someone; 'John Drake '.
In Paris to investigate the death of a fellow agent, Drake's efforts to crack a murder-for-hire organization are complicated by Lena (Susan Hampshire), a flighty woman who occupies a room near his.