To celebrate her 10th wedding anniversary, Princess Pincette is welcoming her father, King Crab the 1st, lord of the Kingdom of Coral and strongest man alive.
But Pincette and her husband, Prince Radin II, are in big trouble :
The gift given by her father, the legendary "Crab's Tiara", offered to seal their union 10 years ago, has disappeared !
All the court is doing their best to find it before the King's arrival !
And they better be if they want to survive...