Jane and the CBI try to determine who would have reason to kill a popular English teacher, and Rigsby nervously awaits a special delivery.

Many paths collide; Rick faces sheer brutality; the group struggles to survive.

As the group faces a brand new enemy, Rick and the others must fight to protect the livelihood they worked so hard to create at the prison.

Rick and the group are as close to an ideal life as possible at the prison.