Four children Lucy (Georgie Henley), Edmund (Skandar Keynes), Peter (William Moseley) and Susan (Anna Popplewell) go to live with an old professor during the war. As they play hide and seek, Lucy finds a hidden wardrobe. When they open the door, the children reach the magical land of Narnia. But Narnia is ruled by the evil White Witch (Tilda Swinton) who has made it snow there for 100 years. According to an old prophecy, the four kids are the chosen ones who will defeat the witch. Aslan, the lion, is the true ruler of Narnia and he helps them. Watch the film to see what happens when the four children come face to face with the evil White Witch.