In college, John and Erin were assigned to co-lead a class on ethical issues in medicine. Despite a rough start and fundamental differences, they became close friends over the course of the semester as they collaborated on each week's class - and as John always valiantly insisted on walking Erin home across campus to ensure she didn't get accosted during those sketchy Berkeley evenings. After being close friends for years in college, John and Erin reunited as graduates and returned to the Greek Theater to see Bon Iver in concert - and to find "what might have been lost"...