The glee club pays homage to a true icon when they cover Whitney Houston’s greatest hits. Meanwhile, Emma and Will are one step closer to their dream wedding. As the end of the Gleeks’ senior year grows near, Will and his students struggle to come to terms with the imminent disbanding of their Glee Club family. To help the kids deal with their feelings of impending loss, Will assigns New Directions the emotionally charged music of pop icon Whitney Houston. While some use the assignment to help ease the pain of saying goodbye, others use it to revitalize old relationships and cement new ones. Meanwhile, Kurt’s questionable behavior threatens his relationship with Blaine, Will scrambles to meet a self-imposed deadline, and a despondent Quinn’s spirits are lifted by a kindred soul.