该片是由Larry,A.,McLean执导的剧情片,于2016年上映，主要讲述了.:With every .Chr.istian 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 bo.ys, Josh and Flynn., vying for Gabby's a.ttention.. Will the group be. able to naviga.te a d.angerous new. wo.rld ruled by th.ose who've been le.ft behind The next installm.ent in the incredibly po.pular LEFT BEHI.ND franchise.