My Cousin Vinny(1992)

Two carefree pals traveling through rural Alabama on their way back to college are mistakenly arrested and charged with murder. Fortunately, one of them has a cousin who's a lawyer - Vincent Gambini, a former auto mechanic from Brooklyn who has just passed his bar exam after his sixth try. When he arrives with his leather-clad girlfriend to try his first case, it's a real shock - for him and the Deep South!