Musical prodigy, Sparkle (Jordin Sparks) struggles to become a star while overcoming issues that are tearing her family apart. From an affluent Detroit area and daughter to a single mother (Whitney Houston), she tries to balance a new romance with music manager Stix (Derek Luke) while dealing with the unexpected challenges her new life will bring as she and her two sisters (Carmen Ejogo and Tika Sumpter) strive to become a dynamic singing group during the Motown-era.

Two very different families converge on Martha’s Vineyard one weekend for a wedding.