Amid prying eyes, Maddie tries to move on from Bill's fall from grace. Dana Sue deals with problems in her kitchen. Helen makes a life-altering purchase.

As prom night approaches, Maddie comes to a decision about Cal, Dana Sue scrambles to secure her future, and Helen calls an emergency margarita session.

In the waiting room, the families gather for news from the doctors, and Ty’s plans for the season change. Over margaritas, Helen shares an announcement.

More than margaritas are shaken up as Cal's past resurfaces, an unsavory acquaintance returns to Serenity, and Helen faces a life-changing decision.

After the incident at the restaurant, an unlikely ally offers to help Cal. Helen shares her painful secret and Maddie grills Ty about a rumor.

Erik makes a decision about his future. Miss Paula announces her new plan. The town turns out to celebrate a happy couple, but an unwanted guest appears.

Serenity gathers for its annual festival. As relationships blossom and new plans abound, the Magnolias ponder the next chapter in their evolving stories.