Lt. Robin Crusoe is a navy pilot who bails out of his plane after engine trouble. He reaches a deserted island paradise where he builds a house and begins to adjust to life. He is in for trouble however when a local girl is banished to the island by her father, who then comes after Crusoe.

Mr Banks is looking for a nanny for his two mischievous children and comes across Mary Poppins, an angelic nanny. She not only brings a change in their lives but also spreads happiness.