Part of the long running good guy criminal turned amateur detective Boston Blackie series.
Blackie (Chester Morris) helps out his friend Arthur (Lloyd Corrigan) who has purchased a book store, the store relies on auctioning rare books for the majority of it's revenue but the famous book expert and auctioneer Wilfred (George M Cartleton) falls ill just before the auction of a rare Dickens first edition. Blackie, a master of disguise, steps in and pretends to be Wilfred for the sale of the book.
Unfortunately though the book turns out to be a forgery. Blackie tries to find the original owner of the book (and forger) before the money disappears without trace. He is assisted by Gloria (Lynn Merrick), not knowing she is the criminal mastermind's (Steve Cochrane) wife and accomplice. Blackie soon finds himself accused of murder and is hunted by his nemesis Inspector Faraday (Richard Lane)...
This is a good fun film, short and snappy with plenty of storyline and antics squeezed in. An enjoyable film with plenty of surprises.