The chronicles of Narnia

When Lucy Pevenise, her older brothers Edmund and Peter, and her older sister Susan are sent to the country for safer keeping during the initial bombing raids of WW II, they decide to play hide-and-seek in the strange house of the mysterious professor.During the game Lucy discovers a mysterious wardrobe and discovers an entirely different world. The place is called Narnia, and it's been locked in winter for over 100 years by someone known as "The White Witch.".