Nadia spends as much time as she can at her friend Violet's house, playing with the kittens that Violet's mom brings home from her job at the animal rescue center. When Violet tells Nadia about a pregnant cat urgently in need of a place to stay, Nadia convinces her parents to foster Gracie for the summer. After Gracie gives birth to five beautiful kittens, Nadia is instantly drawn to the smallest and sweetest, whom she names Luna. But while the other kittens are quickly adopted, Nadia is heartbroken to see that no one is interested in Luna. Can she help the kitten find her forever home?