Episode 501, "Broken Peace"
SEASON 2, EPISODE 212 - A young, very much in love couple, goes on a crime spree for no apparent reason. At first our team thinks that there is a drug tie in -- but they soon learn that the young woman is dying of a horrible brain disease that will take her life in a matter of days. Her fiancé has promised her one last perfect night together – capped with an humane, lethal injection of morphine. What she does not know is that her fiancé is planning on killing himself as well. They end up at the Old Mill, where they are to have their “last dance”.