The story follows the Swiss Family Robinson after their initial experiences on the deserted island. They find themselves on a new adventure when they are shipwrecked again, this time on a mysterious island. The family, comprising William, Elizabeth, and their children, must rely on their resourcefulness and skills to survive in an unfamiliar environment.As they explore the island, they encounter various challenges, including natural dangers, unfamiliar wildlife, and the need to build new shelters. The novel introduces new characters and situations that test the family's bonds and adaptability. They must work together to face these obstacles, drawing on their previous experiences while also learning from the new challenges they encounter.