Lewis' directorial effort is an uneven comedy follow-up to 1968's "Salt & Pepper." Salt (Davis Jr.) and Pepper's (Lawford) nightclub is having money trouble so Pepper goes to his wealthy twin brother Sydney (who lives in the family castle) for some dough. When Sydney is murdered, Pepper assumes his identity and learns that his brother was posing as a smuggler on behalf of Interpol. Then the duo gets chased through the countryside by Interpol agents and crooks after stolen diamonds.