Tanias grandma has planned a surprise for her on Saturday afternoon. Tania is excited about it. But then her best friend invites her to a movie she really wants to see. And that is on Saturday too. Poor Tania does not want to hurt grandmas feelings but she does so want to go for the movie with her friend. What will she do now? Read on and find out. This is the 6th of a series of 14 books about the experiences of a little girl named Tania.