花田国太后思女成疾，国王沧海（古天乐 饰）急召公主遗珠（杨颖 饰）回国冲喜。遗珠公主前往中原学习多年，并与中原护花大将军麦炳荣（郑中基 饰）私定终身。在大将军护送公主回国途中，从海上救起落水女子黄莺（熊黛林 饰），后一行人遭遇“索玛丽”海盗抢劫，混战之中公主落水失踪。破产富豪黄百万（黄百鸣 饰）走投无路，只好让从水中捞来的失忆公主遗珠假冒女儿黄莺投靠指腹为婚的亲家吴尚书，不料却遭尚书胞妹势利眼吴温柔（吴君如 饰）的百般刁难，一行人纠缠于尚书府笑料百出。此时，黄莺被送进皇宫封为郡主，而女扮男装的公主遗珠却被国王沧海挑中参加比武招亲。女扮男装的公主遗珠、护花大将军麦炳荣以及和黄莺一见钟情的尚书之子吴上进（潘粤明 饰），三人通过重重比试，在“武痴”国王沧海的裁决下居然判定手无缚鸡之力的遗珠获胜。有情人能否终成眷属，真公主能否顺利归位，一切在喜闹中终见分晓。.

花田國公主遺珠（楊穎飾）自幼被送到中原學習禮儀，十年後由中原大將軍麥炳榮（鄭中基飾）護送回國，兩人在中原早生情愫，遺珠更打算抵達後向皇兄，提議招麥炳榮為駙馬。回國途中，二人救起為情自殺的女子黃鶯（熊黛林飾），其後不幸遇上山賊，遺珠落海失蹤。黃鶯父親（黃百嗚飾）原打算將女兒送往尚書府，履行指腹為婚的承諾，豈料黃鶯心裡早已心有所屬，於是投河殉情。黃百萬傾盡僅餘的家財在海上撈回女兒，竟撈得喪失記憶的遺珠，故決定讓她假冒黃鶯嫁進尚書府享福...。

《花田囍事2010》（英語：All's Well, Ends Well Too 2010），是一部2010年香港賀歲喜劇電影，在中國杭州拍攝，於2010年農曆新年上映。 整套電影的內容主要是根據1993年上映同名電影《花田囍事》而編寫的，不過跟之前的系列相比，本片除了黃百鳴、吳君如、夏春秋外，演員陣容完全不同。

Princess Pearl of Flowerland is sent to Midland 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 Midland army and is reluctant to part from him. As their boat approaches the Flowerland border, Pearl and Wing save the life of a girl named Ying, who seeks to throw herself into the sea after running away from an arrange 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.

Công chúa Trân trên đường trở về đất nước của mình, cứu vớt được một cô gái tên Ying, cô gái đã tự vẫn để phản đối cuộc hôn nhân do gia đình sắp xếp.