Two altar boys discover the corpse of an angel in the central aisle of the church. It does not take long to identify the young man who hides in this costume. Toby Finch was trying to win the craziest stunt competition launched on the Internet, with a hundred thousand dollars at the key. The ropes of the harness with which he thought he was flying were sabotaged. Scott Valens arrives from Philadelphia for a decade-old unsolved case involving Stella Bonasera. His DNA is found on clues from the era. Mac Taylor, facing an internal investigation into the death of Clay Dobson, follows the two cases. A small video device that fitted Toby’s harness sheds new light on the investigation. Stella’s DNA arrived at the Philadelphia clues in a locket that contained her blood and was worn by Mindy, the chosen sister she grew up with in foster care.