With the cast list, you would almost expect this to be another Chang Cheh film. Two of Chang's proteges, David Chiang and Chen Kuan-tai go head-to-head in The Imposter which sees cinematographer Pao Hsueh-li back in the director's chair. Chiang plays Ko Liang, as master of disguise who puts his seven faces to good use when he goes to the aid of two young guardsmen Tseng Yung (Danny Lee) and Tseng Kan (Wang Chung) who have been framed by Captain Lo (Chen Kuan-tai) for murder.
During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.
Set in the year 2024 in post-apocalyptic America, 18-year old Vic and his telepathic dog Blood are scavengers in the desolate wilderness ravaged by World War 4, where survivors must battle for food, shelter, and sexual companionship in the desert-like wasteland.