Chen Weiwei and three others survived in the extremely cold doomsday, originally thinking everything was over, but unexpectedly encountered another kind of doomsday. Lao Han passed away, Xiaotong was captured, and a lonely person roamed through the rainforest to save her younger sister, meeting Lu Zheng, Ying Qi, and Aman. Along the way, several people encountered various setbacks and obstructions. Can Chen Weiwei successfully rescue her younger sister? Behind this, what conspiracy is hidden?