When a mysterious "Z" begins appearing as a mark on everyone in the kingdom, Odette, Derek, Alise, Lucas and all their friends work together to find out what it means.

Princess Odette and Prince Derek are going to a wedding at Princess Mei and her beloved Chen. But evil forces are at stake and the wedding plans are tarnished and true love has difficult conditions.

Princess Odette is hosting a music competition to celebrate Princess Alise's birthday - the winner will sing at her grand birthday ball.

While Uberta is preparing to give the royal sceptre to Odette and Derek, another queen is scheming to ruin the coronation.

In the thrilling conclusion to The Swan Princess saga, Derek discovers that his father was accused of having deals with pirates forcing him and Odette to go undercover.