Genevieve.

Alan McKim (John Gregson), a young barrister, and his wife, Wendy (Dinah Sheridan), drive Genevieve, a 1904 Darracq. Their friend Ambrose Claverhouse (Kenneth More), a brash advertising salesman, his latest girlfriend, fashion model Rosalind Peters (Kay Kendall) and her pet St. Bernard ride in a 1905 Spyker. The McKims' trip to Brighton is complicated by several breakdowns, and they arrive very late. Alan bets Ambrose £100 that he can beat Ambrose back to London, despite racing not being allowed by the club. Ambrose accepts