If the players don't act like their allignment, change it.
Let a cleric or paladin fall from grace with it's good god for instance. Action = concequense
But to be honest, I'd say the lord has had his fill and sends a bunsh of stronger characters (paladins) to fight this evil. No one should be allowed too just kidnap anyone. This is the roleplaying solution.
You could also just quit the story and tell them this isn't working. This is the out of game solution.
If you want to continue this conversation, I suggest you start a thread about.
