Dear Mouse Princess

Nine-year-old Veva hopes to find a friend. When she sees a sad mouse-princess blow the seeds off a wishing flower, Veva decides to be the princess's best friend and writes the mouse a letter.

Mouse Princes Iza does not want to be friends but will answer questions about her underground kingdom in exchange for chocolate. Veva and Mouse Princess Iza begin to make trades when trouble stirs in the underground mice world.