放飞

Deep in a wintry forest, an abandoned boy struggles to protect his little sister from an infection that turns people into a feral-like state, a ruthless militia leader searching for his missing daughter, and Government agents hunting them.

《放飞》的基础信息更偏电影，简介里的“Deep in a wintry forest, an abando...”提供了第一层判断，剩下可以再看主创和年代。