Jenny Kaine resurfaces with a one-time offer that kicks Talia's warrior instincts into high gear. A terrifying betrayal and a violent attack drive Keith and Talia and the whole Mexico Expedition into lockdown. Talia's stunning revelation and crushing mishap may end any hope of unraveling the tangled Web of Arana. A tablet update sparks turmoil and terror as students respond to "activation orders.' One conflicted father may hold the key to understanding more about the enemy -- if he lives to tell his tale."