When his import/export business infiltrated by international diamond smugglers, Mr. Moto must follow a trail of clues littered with beautiful women, glittering gems and deadly assassins. Making his way from the mysterious streets of San Francisco's Chinatown to the dark and dangerous alleys of Shanghai, Mr. Moto will stop at nothing to bring the culprits to justice...even if it means making the ultimate sacrifice!

這是傳奇的「蠻荒之王」大衛克羅和他可靠同伴喬治轟轟烈烈的冒險，他們將順流而下去往新奧爾良！兩人遭遇危險的激流、險象環生的河盜，每次高低起伏都讓人興奮不已。結合了冒險的宏大傳統和最偉大的民間英雄，《大戰霸王河》是一部讓你想一試再試的旅程!

Frank Johnson flees police after becoming an eyewitness to murder. He is pursued around scenic San Francisco by his wife, a reporter, the police, and... the real murderer.