Jeff tries to prove to Audrey that Heidi, a college friend, never had feelings for him; his plan goes awry, however, when she hits on him during a visit. Meanwhile, Timmy quits when he discovers Russell has embedded a pet tracking device in him.
Rules of Engagement is a comedy about different phases of the male/female relationship as seen through the eyes of a newly-engaged couple Adam and Jennifer, a long-married pair Jeff and Audrey, and a single bachelor on the prowl, Russell. However, Russell obtains a relationship of his own as he tries to make the professional relationship with his assistant Timmy more personal.
Rules of Engagement - Timmy Quits Synopsis and Schedule