精简剧情：　　With every Christian suddenly "vanished" from the world, headstrong 15-year-old Gabby is thrust into adulthood way too soon, along with her younger sister Claire and the two teen boys, Josh and Flynn, vying for Gabby's attention. Will the group be able to navigate a dangerous new world ruled by those who've been left behind? The next installment in the incredibly popular LEFT BEHIND franchise.