Jack leaves his class unattended and lands himself in “teacher jail” after one of his students suffers a minor injury. Initially, Jack enjoys the paid time off, but the situation takes a turn when the resulting investigation targets Durbin. Meanwhile, Helen acts as the substitute teacher in Jack’s absence, much to the students’ dismay.Jack leaves his class unattended and lands himself in “teacher jail” after one of his students suffers a minor injury. Initially, Jack enjoys the paid time off, but the situation takes a turn when the resulting investigation targets Durbin. Meanwhile, Helen acts as the substitute teacher in Jack’s absence, much to the students’ dismay.