In the dead of night, a watchman is brutally attacked & with his dying breath cries out, ” The Green Finger!” It is the latest in a series of robberies to take place that have left Scotland Yard mystified, & with no other choice but to call upon the expertise of Detective Paul Temple. Aided by the beautiful journalist Louise Harvey
- affectionately known as Steve
- the duo discover that this is not the first victim to warn of the dangerous & elusive ` Green Finger`...who or what is it? The pair must work together to solve the deepening mystery.