This is quite a good, if a little preposterous sequel. Vincent Price - or, that is, his voice - owns a successful mining business who is framed for killing his brother. With but two hours to go before he goes to the gallows, he turns to his friend who has devised a secret drug that can render the user invisible - but at a cost: continued exposure leads to madness. Once he has used the drug to escape from prison, he attempts to track down the real culprits from his close confederates - including Sir Cedric Hardwicke, John Sutton and a glamorous Nan Grey. The ever vigilant "Inspector Sampson" (a...