Private detective Gustavus "Gus" Monk (George Maharis) is accustomed to the sordid side of 1960s San Francisco, so when slimy Mafia lawyer Leo Barnes (William Smithers) offers him a treacherous delivery job, he's hardly surprised. Monk's cargo is an envelope filled with off-color info about a notable mobster. Unfortunately, nothing goes smoothly and Monk's supposedly simple task is soon complicated by murder, betrayal and the seductive Janice Barnes (Janet Leigh). Wikipedia
Private detective Gustavus "Gus" Monk (George Maharis) is accustomed to the sordid side of 1960s San Francisco, so when slimy Mafia lawyer Leo Barnes (William Smithers) offers him a treacherous delivery job, he's hardly surprised. Monk's cargo is an envelope filled with off-color info about a notable mobster. Unfortunately, nothing goes smoothly...