On a sunny island in Hawaii, Lilo, a dynamic and slightly lonely girl, finds herself in the midst of a family and emotional crisis following her mother’s death. Her sister Nani, who struggles to care for her and maintain a home, faces work challenges and tensions with social workers questioning her ability as a guardian. One night, while exploring the beach, Lilo stumbles upon a strange extraterrestrial being, Stitch, a failed experiment resembling a dog with an astonishing ability to cause chaos. Although Stitch was created to destroy, his encounter with Lilo transforms him; she sees in him not only a friend but also a second chance at what family means.
As Lilo tries to teach Stitch about love and friendship, their bond becomes a mix of craziness and tender moments. However, the arrival of his intergalactic creators threatens to separate these two misfits. With the help of her family, friends, and the wisdom of the island's elders, Lilo and Stitch must fight to keep together what they have formed. With a journey filled with adventure, music, and a touch of Hawaiian magic, the story explores the importance of accepting those who are different and finding your place in the world, all while facing the possibility of losing each other. In the end, the true meaning of family is redefined in this heartwarming and thrilling intergalactic adventure.