Princess Sonrisa goes on an important investigation to find what has made her little sister so terribly ill. She must hurry to solve the mystery before it is too late.Princess Sonrisa goes on an important investigation to find what has made her little sister so terribly ill. She must hurry to solve the mystery before it is too late.Princess Sonrisa goes on an important investigation to find what has made her little sister so terribly ill. She must hurry to solve the mystery before it is too late.