Deniece Malcolm is shocked and heartbroken when she finds out her baby sister, Janette, is marrying Terrance Wright, because she was the one who was supposed to marry him! Everybody knows there's a rule about dating exes. Janette is pregnant and not only is this wedding happening, but Deniece has to arrange the festivities.
Deniece's feelings and pride are hurt, but surprisingly, Terrance's younger, sexier, cousin, Ethan Wright, is there to provide a listening ear and a strong bicep to cry on. Ethan's interested in Deniece, but she has a rule about dating younger men. Despite her resistance, things heat up between them and Deniece begins to wonder if it's time to break a few rules of her own.