The Hidden Eye synopsis
Barry Gifford (Paul Langton) is madly in love with wealthy heiress Jean Hampton (Frances Rafferty), and the feeling is mutual. But, when the young lovebirds take a trip to visit Jean's uncle, they find his dead body waiting for them. Barry becomes a suspect in the murder -- the police believe he is a fortune hunter. Convinced her lover is innocent, Jean consults blind detective Duncan Maclaine (Edward Arnold), who vows to discover the real murderer with the help of his loyal seeing-eye dog.