![The Substitute 2: School's Out](https://image.tmdb.org/t/p/w500/vk95MEsk43QMUsyxC3yd6Bz2Ett.jpg)
When teacher Randall Thomasson is killed during a carjacking, an unexpected visitor shows up at his funeral - his estranged brother, Karl Thomasson. An ex-Green Beret turned mercenary, Karl signs on as a new substitute teacher in order to investigate Randall's murder.