The United States of America is notorious for its astronomical number of people killed by firearms for a developed nation without a civil war. With his signature sense of angry humor, activist filmmaker Michael Moore sets out to explore the roots of this bloodshed.

On May 9, 1986, in the small, ranching community of Cokeville, Wyoming, David and Doris Young took an elementary school hostage for several hours before detonating a bomb inside a classroom that held every teacher and student in the school. In the wake of the madness, Ron Hartley, whose children were inside the classroom, must fight his skepticism and unbelief as he hears eyewitness accounts from the students about miraculous, heavenly intervention...

After a teacher is beaten in his Brooklyn school, he leaves for a troubled school in L.A. to try to escape the memories.