Please answer the following question: Build a movie plot around this: Who murders a rival tagger in cold blood? Benny
A:
Trevor Garfield is an African American high school science teacher at Roosevelt Whitney High School, a high school in the Bedford-Stuyvesant neighborhood of Brooklyn. Dennis Broadway, a gangster student to whom he had given a failing grade threatens to murder him, writing the number 187 (the California police code for homicide) on every page in a textbook. The administration ignores the threat, and Dennis ambushes Garfield in the hallway, stabbing him in the back and side abdominal area multiple times with a shiv.Fifteen months after surviving, Garfield, now a substitute teacher, has relocated to John Quincy Adams High School in the San Fernando Valley area of Los Angeles, but trouble starts again when he substitutes an unruly class of rejects, including a Chicano tag crew by the name of "Kappin' Off Suckers" (K.O.S.). Their leader, Benito "Benny" Chacon, a felon attending high school as a condition of probation, makes it clear to Garfield that there will be no mutual respect.The tension mounts when a fellow teacher, Ellen Henry, confides that Benny has threatened her life, an action against which the administration of the school refuses to take action, fearing legal threats. After Benny murders a rival tagger in cold blood, he disappears, and Benny's unstable tag partner, Cesar, takes over as leader. When Cesar steals Garfield's family heirloom watch, the principal is more concerned about a lawsuit and refuses to take action. Ellen and Garfield develop a close friendship that approaches the beginnings of a relationship, but is stymied by Garfield's destabilizing behavior and his confrontations with the K.O.S.. Garfield's past garners the unwanted admiration of Dave Childress, an alcoholic history teacher who carries guns at the school.The conflict between Garfield and the K.O.S. escalates with the killing of Jack, Ellen's dog. Cesar, after spraying cartoon graffiti depicting a dead dog, is shot with a syringe filled with morphine attached to the end of an arrow. He passes out, and wakes up to find one...