On Robbie's wedding day, his sister Kate informs him as he waits at the altar that Linda has changed her mind about the wedding, leaving him emotionally devastated and humiliated. Later that day, Linda visits Robbie and reveals that she fell in love with him for his ambitions of being a rock star, and hates the idea of being married to just a wedding singer. Robbie sinks into depression, causing his friends and family to be concerned. His best friend Sammy convinces him to return to work, but he gives a disastrous performance, and decides to give up wedding gigs and reneges on his promise to sing for Julia when Glenn finally sets a date. However, Julia convinces him to help her with the planning and their friendship blossoms. As Robbie spends time with Julia, he begins to realize just how shallow Linda is. During a double date with Julia, Glenn, and Julia's cousin Holly, Robbie learns from Glenn that he cheats on Julia frequently and plans to continue after they are married.