This typically wild-and-wooly entry in Paramount's "Bulldog Drummond" series gets under way when stiff-upper-lip Scotland Yard inspector Nielsen is kidnapped by master criminal Richard Lane (J. Carroll Naish). Ensconsed in his lavish jungle hideout somewhere in Africa, Lane wines and dines his captive as a prelude for his intended revenge against the good Inspector. As Bulldog Drummond (John Howard), his fiancee Phyllis (Heather Angel), his best friend Algy (Reginald Denny) and his valet Tenny (E. E. Clive) hack their way through the African foliage in search of Nielsen, Lane carries out his evil scheme by strapping the inspector to a pillar and preparing to release a ferocious, ill-fed pack of lions. Even if Nielsen should escape this peril, Lane has covered his bets by planting a time bomb in Drummond's private plane. Were it not for the fact that there were still three films to go in the "Drummond" series, one would be inclined to start worrying.