Sweeney Todd: The Demon Barber of Fleet Street (1982)

In 1846, Anthony Hope arrives in London alongside the enigmatic Sweeney Todd, a barber whose innocence was shattered by a crooked legal system, leading to the destruction of his marriage. Seeking solace, Todd opens up to Nellie Lovett, the proprietor of a nearby meat pie shop. They form a partnership as Todd vows to exact vengeance on those who have betrayed him, ultimately choosing to return to his former trade.