The film starts in the Long Island Kennel Club where is murdered a dog,later is appeared dead as a case of committing suicide a collector millionaire called Arched,but sleuth debonair Philo Vance(William Powell)to be aware of actually killing.There are many suspects : the secretary(Ralph Morgan),the butler,the Chinese cooker,the contender(Paul Cavanagh) in kennel championship for revenge killing dog ,the nephew(Mary Astor) facing off her tyrant uncle,the Italian man(Jack La Rue),the brother,the attractive neighbour..Stylish Vance tries to find out who murdered tycoon,appearing many clues ,as a book titled:Unsolved murders. The police Inspector(Eugene Palette)and a coroner are helped by Vance to investigate the mysterious death.The sympathetic forensic medic examines boring the continuous body-count .Who's the killer?.The public enjoys immensely about guess the murder. <br /><br />The picture is an interesting and deliberate whodunit,it's a laborious and intriguing suspense tale.The personages are similar to Agatha Christie stories, all they are various suspects.They are developed on a whole gallery of familiar actors well characterized from the period represented by a glittering casting to choose from their acting range from great to worst. Powell is in his habitual elegant and smart form as Philo.He's protagonist of two famed detectives cinema,this one, and elegant Nick Charles along with Nora(Mirna Loy)make the greatest marriage detectives. Special mention to Mary Astor as the niece enamored of suspect Sir Thomas,she was a noted actress of noir cinema(Maltese falcon). The movie is magnificently directed by Hollywood classic director Michael Curtiz.He directs utilizing modern techniques as the image of dead through a lock-door,a split image while are speaking for phone and curtain-image.The tale is remade as ¨Calling Philo Vance¨(1940).The film is a good production Warner Bros, by Vitagraph Corp.