In this film, the clumsy Inspector Clouseau embarks on a mission to apprehend the infamous thief nicknamed "The Phantom". His goal is to prevent the criminal from stealing a rare, imperfect diamond known as "The Pink Panther" from a princess in Rome. The star-studded cast includes David Niven, Peter Sellers, and Robert Wagner, and the film is directed and written by Blake Edwards and Maurice Richlin, respectively.