Mark Lucas and Theresa Connolly have been neighbors since they were children and have developed a close friendship over the years. As adults, they realize that their feelings have grown into something more and they decide to get married. However, their mothers, who have always been overbearing and competitive with each other, start to interfere with their wedding plans. Mark's mother wants a big, extravagant wedding while Theresa's mother wants a small, simple one.
The mothers' differences extend beyond just the wedding planning, and their constant bickering starts to take a toll on Mark and Theresa's relationship. Mark starts to feel like he can never make his mother happy, and Theresa starts to feel like she's caught in the middle. As the tension builds, the couple realizes that they need to find a way to put their foot down and make their own decisions.
With the help of their friends and a wise neighbor, Mark and Theresa come up with a plan to have the wedding of their dreams without their mothers' interference. The happy couple successfully ties the knot, but their mothers' behavior may have caused irreparable damage to their relationship. It's up to Mark and Theresa to decide if their love can survive the meddling of their overbearing moms.