In the beginning of the episode, Robin is trying to convince the teachers to unite as a strike group, and reject a new contract with the school district that is unfair. Mark decides that the teachers should strike. The next day, the teachers and students make signs and strike. Mark is seen on television advertising the strike and telling the camera what they want. Tyler comes over to collect the rent money and Mark could not pay the rent. Mark decides to become a mail deliverer at Vanessa's office. Mark storms into Vanessa's office, interupts her meeting, and makes jokes. After that Mark does not follow Vanessa's orders, and Vanessa does not have the will power to fire him. Mark delviers coffee to the boss and also impresses a client. Vanessa finds out that Mark became friends with the boss and he becomes the assistant to the manager of Sales. Mark gets a higher position and a larger salary than Vanessa. He also gets a secretary. Vanessa finds out that she is the secretary to both (thetvdb.com)