Lucy Manderley makes a brusque announcement: "Two things we never discuss in this house—my family and Paul's accident." –Her husband Paul wears a mask that covers half of his face; Lucy herself is descended from the Borgias of Renaissance Italy, renowned for power and poison. "This house" is the Manderley estate, a lonely medieval-style castle stuck out in the desert.
Charlie Chan is on hand at said estate—but the urgent invitation he answered was apparently a fake. Has Mr. Chan been summoned to witness a murder or provide an alibi? Sidney Toler is steady as always as he attempts to find out.
Eerie music, dimly lit castle sets and some good shadowy camera work create an appropriately spooky atmosphere for this fairly standard but highly enjoyable Chan mystery.
Among the entertaining cast on hand at the old dark castle are Douglass Dumbrille as the odd Mr. Manderley and Lenita Lane as his nervous wife; Henry Daniell as mysterious sculptor Watson King; and Ethel Griffies as Madame Saturnia, a spooky soothsayer whose predictions all involve death.
Sen Yung also offers assistance as Jimmy Chan. On a week's leave from the Army, Jimmy tells his Pop that "What I'd like now is the relaxation of a good murder case." He finds a suit of armor a good hiding place to spy from, but keeps getting pushed over and tumbling down flights of stairs
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The plot involves a couple of murders by poison—pointing suspicion at Lucy Manderley, the only possibly-unbalanced Borgia in the group. Other elements adding to the mystery include a sleeping potion like the one Shakespeare's Juliet took, and the early disappearance of the only vehicle's distributor, leaving the entire group stranded and cut off.
Overall, it's a fairly standard Charlie Chan: a decent mystery plot featuring a few chills, a fair mix of comedy, and a bit of action as well. Very entertaining for fans.
