Davaa and Zaya are a young nomadic couple in the vast Bayanhongor region of Mongolia who are in the throes of animal birthing season when a seismic event suddenly changes their lives. They are forced to migrate afar but are haunted by their past lives.

在印度洋的一座孤岛上，陆地蟹成群地自丛林向海洋迁徙。在同一片丛林中，隐藏着一间澳大利亚的拘留中心，几千名寻求庇护者被长期关押于此。他们与外界唯一的联系仰仗于精神创伤咨询师波赫·林·李。