寒冬季节，自驾游途中，因阿德的过失，其8岁的儿子不幸走失。阿德夫妇向当地相关部门寻求援助，搜救行动即刻展开。时间一分一秒地过去，但孩子却仍未找到。即使希望渺茫，搜救警察及雪域搜救队依然不离不弃。
Donnie Yen
A De
Cecilia Han
Min Xuan
Jia Bing
Qian Jun
Tang Xu
Xiao Jiang
Hou Tianlai
Chief Bai of Police Station
Xu Guangyu
Deputy Chief Gao of Police Station
Lin Chenhan
Qing
Hu Ming
Head of Kidnappers
Meng Hanxi
A De and Min Xuan's daughter
