The new part of Kate Walker's journey takes shape as she finds herself adrift on a makeshift boat. Luckily, the caravan of the Youkol people, already encountered in Syberia 2, discovers her before she takes her last breath.
Determined to flee their common enemies, Kate decides to help the nomads fulfill their most unique ancestral tradition: accompanying the transhumance of snow ostriches towards the sacred steppes where they can reproduce.
A journey through settings that are by turns enchanting or devastated which will take the young woman through her most dangerous and wonderful adventures, always followed by her pursuers?