Holly presents a seminar on business ethics, and realises just how unethical the Scranton branch are; Jim makes Dwight observe the company's `time theft' policy.
McGee's unique high school computer password is linked to the murder of a defence contractor. Reluctantly, he visits his school.
Brennan and Booth return for season nine as a question mark hangs over their relationship. Booth is reunited with a former colleague.
The team hunt an international killer who is able to transform himself like a chameleon to avoid capture.
Denise and Shirley defend Daniel Post (guest star Michael J. Fox) after police arrest him for trying to buy a lung; Alan Shore represents his buddy (guest star Christian Clemenson), whom police catch driving in the car-pool lane with a life-size sex doll.