The events of Homeboyz takes place four to five years after the events in Hip Hop High School. The book's main character is 17-year-old Dixon Theodore Anderson, nicknamed Teddy. Teddy is a computer hacker and a very intelligent young man, and also very tough. Teddy's entire neighborhood is overrun by gangsters and his 14-year-old sister, Tina Anderson, is killed in a crossfire. While the Anderson family mourns her death, Teddy goes to his car to seek vengeance. He is unsuccessful in getting revenge and is arrested. He then spends time in a California juvenile prison waiting for a judge to hear his case. During this time, Teddy is treated as if he was a gangster. He is set free, but is put under house arrest and is enrolled in a probation program run by Officer Mariana Diaz. Teddy is forced to spend five days each week mentoring a 12-year-old kid named Micah. Teddy has difficulty tutoring Micah because he wants to be a gangster. But through Micah, Teddy is taught how to love someone and see how people can change. The killer of his little sister is found, but he is not from the 0-1-0 gang. The shooter responsible for the murder of his little sister is Mumzy B.