Evil, in the form of a diabolical clown, terrorizes the small town of Derry. The gruesome series of murders continues unabated, culminating in the death of six-year-old Georgie. A death that cannot go unpunished. Seven friends unite to confront "It." For 30 years, they believe they have vanquished the unimaginable horror. But then "It" returns! Bill Denborough and his friends must uphold the ancient vow they once made: to fight "It" and finally defeat the terror.