In The Final Count, the fourth in Sapper's Bulldog Drummond series, Hugh Drummond returns after the climax of The Third Round saw him embroiled in an electrifying boat chase with his long-term enemy and master of disguise Carl Peterson. Now, Drummond must attempt to prove the innocence of an inventor of chemical warfare whose weapon mysteriously goes missing. Drummond is utterly resolute: Only one man can be capable of such a sinister plot.