Landmaus und Stadtmaus auf Reisen

The precious blue sapphire ring, also called the Star of Thailand, has been stolen from the prince. Emily and Alexander, who actually wanted to see the country and attend the coronation of the prince, must now save their cousin Choi. Choi is in jail because he is believed to be the thief of the precious ring. Our two mice immediately go in search of the jewel to prove Choi's innocence and to convict the real culprit.