 In the episode, Michael Scott (Steve Carell) comes to work thinking he has a pimple, but it turns out to actually be a cold sore.When he is told that it is a form of herpes, Michael contacts all his ex-girlfriends—Jan, Holly, Helene, Donna, and Carol.Andy Bernard (Ed Helms) holds a sex education meeting in the office hoping to learn if Erin Hannon (Ellie Kemper) is having sex with her boyfriend, Gabe Lewis (Zach Woods).