The mentally handicapped Karllives in a family with a strong religious atmosphere. The parents believed that Carl's slowness was God's punishment for them, and therefore abused his son in every possible way. One day, Carl accidentally ran into his mother who was making love with the pimp in the town, and killed the two with a Sling Blade in a fit of anger.
After 25 years, Carl returned to the town, and everyone did not treat him as a normal person, which made Carl discouraged. Relying on his special abilities in mechanics, Carl got a job, and he also got to know Frank, the boy who treated him sincerely , and got acquainted with his family. However, Frank's widowed mother has a drunk boyfriend, Doyle. He fights out at every turn, and his bully behavior disturbs the whole family. Carl decided to solve the problem for Frank at any cost
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