As Karl settles into his new job at Lincoln High School, he quickly realizes that there is a serious drug problem among the students. He enlists the help of a fellow teacher, Amanda (Angie Everhart), to help him uncover the source of the drugs and put a stop to it.
Meanwhile, Karl also begins to suspect that Randall's murder may be connected to the school's corrupt principal, Renee Beck (Mimi Craven). He soon finds himself in a dangerous game of cat and mouse as he tries to gather evidence against Beck and her accomplices.
As the body count rises and Karl is targeted by the school's drug dealers, he must use all of his military training and resourcefulness to stay alive and bring the criminals to justice. With the help of Amanda and a few trusted students, Karl ultimately uncovers the shocking truth behind his brother's death and the corruption at Lincoln High School.