在这部杰瑞和玛丽家庭片中,在小镇Valleby，正在活跃地准备小餐馆主人Dino Panini 和 Sara Bernard的婚礼。Dino Panin的家庭来自西西里，当然侦探2人组 Jerry 和 Maya要确保没有人和意外发生。Jerry对Dinao的妹妹Focaccia着了迷，因为她是他迄今为止看到的最美丽的女孩。Sata的家庭原来是著名的Biscotti家族—是Paninis的有久远历史的贵族。 Jerry和Maja成功地阻止了全面家族的不和。但是在争吵中Panini家族的珠宝却丢失了。
Sleepy little Valley getting ready for the cafe owners Dino and Panini Sara Bernard's wedding, and our beloved junior detectives Lasse and Maja stand ready to ensure that nothing goes wrong. But when the wedding couple's respective relatives arrive, they show themselves to belong to rival Mafia families. When the Panini family's crown jewels suddenly disappear, taking LasseMajas detective on the case of very soon realize that detectives themselves are the main suspects.
