Lauri's brother was a murderer. To help all those hurt by him and other people like him, she decided to join the BAU. Little does she know that it won't be that easy to accept that she is catching the evil in the world, when she could never see the evil in her brother. 

Now she is in the BAU she is also distracted by the budding romance between her and one of the other agents, but will anything come from it?