 Sofia s grandfather is the head security guard at a huge department store called "El Gran Almacen". So at night, while her grandfather guards the store, Sofia uses her imagination to turn the department store into a world of fantasy and dreams. Sofia decides to tell her friends about this new world and there her and her friends have many adventures. She also meets a new friend Juan, who she believes is a simple orphan child when in fact he is the son of Mauricio, the owner of the store. Mauricio s biggest fear is Sofia discovering his true identity and losing her friendship Forever.