Macy dreads visiting her mother-in-law, Linda, who constantly criticizes everything from her cooking to how she treats her husband, Chandler. When Macy finally stands up for herself during a tense dinner, she becomes the villain, and the evening ends in an emotional explosion.

Heartbroken, Macy flees to her late father’s abandoned house. In the attic, she discovers a bundle of old letters — all written by Linda to her father, revealing they were once in love.