This dungeon is made for low to mid-level characters with at least one mage and maybe one thief. The characters are summoned by the local lord to take a look into the murders that are happening in town. Parents are being killed and children are being orphaned. The players can investigate any place they wish in town. The only clue at each murder is a dagger with the hilt being the shape of a baby with a tear in it's eye. If the players question the children, they will see that the kids are not sad. They tell the players they have no idea who did this deed, but they are glad that someone has. If the players persist, they find out that the children all have something in common. They were abused. Looking into the dagger, they can interview the blacksmiths of town. After many interviews they come across the lord's blacksmith. He finally admits that the daggers are being created by the commander of the high guards. Gortoth. When the players approach Gortoth, he denies everything. That night another murder happens which proves his innocence. The players can wait for another order of daggers to be made or they can scan the town during the night. Either way it will be many murders and many nights before they can find him. The secret is to ask, "How is he getting info about all these kids?" Another thing they have in common is they all go to the same church. The players can then question the priest of the church. When approached, he gets VERY nervous. Its obvious that this is the man. If interrogated or spells are used, they will find out that he is working with a thief. The thief is going in disguise and purchasing the daggers. He uses them to kill parents that abuse their children, who the cleric finds out from the children while they are in school. Both men are brothers who were abused as well. The thief killed their parents causing them to be split up when young.
Good mystery dungeon. If your players like fights, throw a few bar brawls in the campaign.