When Darryl takes an idea to corporate over his head, Michael freaks out. Everyone in the office is in a competitive mood as the halloween costume contest gets underway...
When a competing sales associate steals a Dunder Mifflin client, Michael, Jim and Dwight decide to set up a sting to find out his sales secrets. Andy decides to start a band after finding out a friend from college has a successful música career.
A herpes scare leads to Michael contacting all his old girlfriends. Meanwhile, Andy hosts a sex ed foros for the staff in another effort to gain points with Erin.