Peter, a medical intern from U.C.L.A. first appeared in a laundromat meeting Andrea Zuckerman, who was with her daughter, Hannah Zuckerman-Vasquez. Peter assumed that Andrea was the babysitter and flirted with her. They later meet up again when Andrea took Hannah to the doctor with her husband, Jesse Vasquez. Peter admitted that he was married, but unhappily and regretted getting married so young.