Plot: The story follows Isabel—known as "Chispita"—who was separated from her mother after the latter lost her memory in an accident. After growing up in an orphanage, Isabel is adopted by a widowed businessman, Don Alejandro; he hopes she will bring joy to the life of his daughter, Lili, who has become sad and ill-tempered since her mother's death—largely due to the influence of her teacher, the wicked Miss Irene