After spending decades living in the shadow of his more famous and successful sibling, Consulting Detective Sigerson Holmes (Wilder) is called upon to help solve a crucial case that leads him on a hilarious trail of false identities, stolen documents, secret codes... and exposed backsides.

Featuring an outrageous ensemble cast, including Madeline Kahn as the seductive singer, Marty Feldman as the bug-eyed assistant, and Dom DeLuise as the eccentric opera star-turned-blackmailer, this fun-filled caper packs a slew of clues and loads of laughs!