Down on his luck horse racing gambling addict, Kelly Raymond, answers an advertisement which reads "Englishman will pay $150 in expenses to fellow countryman, preferably Londoner, in return for services as driver and traveling companion on automobile trip to San Francisco.". Kelly's opinion of Walker Hendricks is that of a boring, eccentric chap, who is obsessed with London, and so midway through their journey he decides to simply steal all of his cash from his valise and leave, but he finds something there which changes his mind.