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"Paula is perplexed when Gregory begins to chide her supposed forgetfulness. On a visit to the Tower of London, she cannot find an heirloom brooch he gave her, although he stored it safely in her handbag. Gregory then begins to berate her for denying that she removed paintings from the wall, hiding them in odd corners of the house. Disturbed by noises coming from the boarded-up attic when Gregory is not home, Paula notices the gaslights also dim for no apparent reason."

~ Wikipedia summary of 1944 film *Gaslight*