On a paradise island in Hawaii, a little girl named Lilo struggles to find her place in the world after the recent loss of her parents. Raised by her older sister, Nani, everything seems a bit complicated, especially because Lilo is an eccentric girl who adores dogs. One day, she discovers a strange alien being named Stitch, an escaped genetic experiment designed to be a complete destroyer. However, what begins as a chaotic encounter soon turns into an unexpected friendship.
Convinced that Stitch is a dog, Lilo adopts him and names him "Sparky." As Stitch settles into her life, their relationship becomes a whirlwind of mischief that tests Nani's patience and uncovers what family truly means. While Lilo tries to teach Stitch about love and connection, Stitch also learns to feel, confronting his destructive nature and discovering the true meaning of belonging.
But things become complicated when Stitch's pursuers, led by the tenacious Captain Gantu and his accomplice Jumba, arrive on the island to capture him. Lilo must not only protect her new friend but also prove that family is not always defined by blood. With a touch of humor, action, and tenderness, this story is a tribute to what it means to love and accept oneself, no matter who you are.