Twisted Nerve

Twisted Nerve is a 1968 British psychological thriller film about a disturbed young man, Martin, who pretends, under the name of Georgie, to be mentally retarded in order to be near Susan, a girl he has become infatuated with, killing those who get in his way. The film opens with Martin playing catch with his young mentally challenged brother Pete at a special school in London. Martin is the only thread to Pete's family life; his father died years before and his mother has a new life with a new husband. Martin expresses concern for his brother's well-being to the school's physician, who is... comfortable with Pete's progress. After the title sequence, Martin is shown in a toy store, gazing at Susan, who purchases a toy. As she leaves, Martin follows. Two undercover store detectives ask them to return to the manager's office. The detectives assert that Martin and Susan were working together to allow Martin to steal a toy. Susan assures them she has never met Martin. The manager asks Susan for her address, and Martin appears to make a mental note when she offers it. When questioned by the manager, Martin turns soft, presents himself as mentally challenged, and calls himself "Georgie.
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