Vineland: When the groom's oldest friend, Cole, finds out his best friend, Jason, is getting married, he escapes from the institution he has been incarcerated in and makes a surprise visit to serve as the best man. Something does not seem right between bride, Gretchen, and groom. None of their friends seem to fully support the marriage and have secrets of their own. Unresolved about their relationship and endlessly obsessed with the groom, Cole stirs up everyone and everything, making it a weekend to remember.