Alls Well Ends Well Too (2010)

Princess Pearl of Flowerland is sent to Mainland at a young age to learn her ceremonials duties. Her mother, the Queen Mother misses her daughter very much that the King orders his sister, the princess, to return home. However, the princess has fallen in love with General Wing of the Mainland army and is reluctant to part from him. As their boat approaches the Flowerland border, Pearl & Wing save the life of a girl named Ying, who seeks to throw herself into sea after running away from an arranged marriage. Pearl, Wing and Ying are attacked by pirates and Pearl falls overboard in the ensuing chaos. On arrival in Flowerland, the King mistakes Ying for his sister, while Pearl is saved by Ying's father, Million.