IntheforesteddepthsofeasternCongoliesVirungaNationalPark,oneofthemostbio-diverseplacesintheworldandhometothelastofthemountaingorillas.Inthiswild,butenchantedenvironment,asmallandembattledteamofparkrangers-includinganex-childsoldierturnedranger,acareroforphangorillasandaBelgianconservationist-protectthisUNESCOworldheritagesitefromarmedmilitia,poachersandthedarkforcesstrugglingtocontrolCongo'srichnaturalresources.WhenthenewlyformedM23rebelgroupdeclareswarinMay2012,anewconflictthreatensthelivesandstabilityofeveryoneandeverythingthey'veworkedsohardtoprotect.