With the help of a prison bus driver, Lee Marvin (Richard Roundtree), Wilson acts as a catalyst, putting a plan into action that will bring an untimely end to Mackey Willis.

在一名监狱司机Lee Marvin (Richard Roundtree)的帮助下，Wilson就如同成了Mackey犯罪的催化剂，但也在行动中制定计划准备抓捕Mackey Willis。