王子殿下打了胜仗得胜归来，他带领部下住到大臣莱奥纳多家里，莱奥纳多一家倍感荣幸。王子的亲信叫克拉迪奥，他在看到莱奥纳多女儿希洛后就对这个女孩恋恋不忘，对她是一见钟情。王子得知此事，答应在假面舞会上帮克拉迪奥向希洛求婚，克拉迪奥十分期待。王子的弟弟约翰伯爵一直跟王子有隔阂，他无事生非地挑拨克拉迪奥，称王子其实想在假面舞会上为他自己向希洛求婚。克拉迪奥大失所望，对王子心生嫌隙。好在最后克拉迪奥得知真相，婚礼一周后就能举行。王子还想促成另一桩好事，部下佩尼和希洛表姐贝特里是一对欢喜冤家，两人个性相似见面就吵，王子却觉得二人十分适合做情侣。为了促成他们，王子想到妙计，他动员大家故意制造佩尼和贝特里彼此情投意合的传言，就这样很快促成二人成为真的情侣。一切都往美好的一面进展着，约翰伯爵却又无事生非地想到制造障碍的坏主意…

His Royal Highness the Prince returned from a victorious battle. He led his subordinates to live in the home of Minister Leonardo. The Leonardo family felt very honored. The prince's confidant is called Cladio. After he saw Leonardo's daughter Hilo, he never forgot the girl and fell in love with her at first sight. Knowing this, the prince promised to help Claudio propose to Hilo at the masquerade ball, and Cladio was looking forward to it. The prince's younger brother, Earl John, has always been estranged from the prince. He provoked Claudio by making a fuss, saying that the prince actually wanted to propose to Hilo for himself at the masquerade ball. Claudio was greatly disappointed and had a dislike for the prince. Fortunately, Claudio finally learned the truth, and the wedding can be held in a week. The prince also wants to facilitate another good thing. His subordinate Penny and Hilo's cousin Betley are a pair of happy friends. The two have similar personalities and quarrel when they meet, but the prince thinks that they are very suitable for a couple. In order to facilitate them, the prince came up with a clever plan. He mobilized everyone to deliberately create rumors that Penny and Betley were in love with each other, and in this way they quickly became a real couple. Everything is moving toward the bright side, but Earl John thought of a bad idea to create obstacles..