"The Ringer" is a gripping crime thriller by Edgar Wallace, adapted for BBC Radio 4's Saturday Night Theatre.

Notorious criminal known as "The Ringer," presumed dead in Australia, who resurfaces in London seeking vengeance. His target is Maurice Meister, a corrupt solicitor implicated in the death of The Ringer's sister. As The Ringer sends ominous warnings, Scotland Yard, led by Chief Inspector Bliss and Inspector Wembury, races against time to thwart his plans.