In 'Lady and the Tramp II: Scamp's Adventure,' Scamp, Lady and Tramp's mischievous son, feels constrained by the rules of his home and longs for independence. Torn between his domestic life and the allure of the outside world, Scamp runs away from home. Along the way, he encounters new friends, experiences new adventures, and learns important life lessons.

In a small turn-of-the-century town, Lady, a Cocker Spaniel puppy, is well taken care of by her owners. However, her world is turned upside down when they have a baby. Lady's life takes a chaotic turn when she is blamed for a mess caused by her owner's Siamese cats. She runs away and finds herself chased by dogs, but is saved by Tramp, a streetwise dog. Tramp helps Lady remove her muzzle and shows her a life of freedom. Lady feels a sense of responsibility and returns home, but is caught by a dogcatcher and taken to the pound. Eventually, Lady and Tramp work together to protect the baby from a rat and prove their loyalty. They are welcomed back into the family, and Lady and Tramp have puppies of their own.