Everyone can change and that goes for ducks too! Or can they? Miss Mallard and Willard discover the answer when they are forced to stop over in Zanaville, Romania, a town with a deep dark secret – a secret that comes back to torment them. Miss Mallard and Willard discover that Zanaville is really Zanadoom, the ancestral home of the one and only Kisscula, famed kisspire who kisses his victims when the moon is full, but this is one kisspire who kisses no more. Miss Mallard and Willard must discover the true identity of the imposter, and bring peace back to an entire village.

梅小姐和维乐乘坐的火车路过匈牙利一个叫柴纳维尔的小镇时出了故障，需要停下24小时进行检修。他们只好和其他旅客一起在小镇上停留观光。一进小镇，他们就觉得这里的气氛有些异样，到处死气沉沉，街头的雕像、室内的画像都不见了，旅馆的三楼还住着一位神秘的旅客。只要问及小镇的历史，镇长立刻出来打岔。事情越来越不对劲，旅客们开始遭到一个穿黑斗篷的家伙的袭击，枕头上留下嘴唇的印子。梅小姐发现小镇的名字原本叫柴纳杜姆，是接吻伯爵的老家。镇长怕接吻伯爵吓走游客就不择手段地掩盖真相。热恋旅馆老板女儿郝丽的青年威多因为郝丽迷上了三楼的神秘客因而假扮接吻伯爵制造恐慌。真相大白，小镇恢复了原名和原有的生气，镇长为接吻伯爵举行了盛大的婚礼，郝丽也接受了威多的爱。