An inexperienced park ranger takes a wrong turn and discovers a dead body in the remote mountain woods. Helplessly lost, and with orders to guard the potential crime scene until rescuers can arrive in the morning, she must fight the urge to run and instead stare down her darkest fears. Will she survive the brutal conditions of anight alone in the wilderness?

Tells the story of the Japanese invasion of Nanking, China in the early days of World War II and focuses on the efforts of a small group of unarmed Westerners who established a Safety Zone where over 200,000 Chinese found refuge. Told through deeply moving interviews with Chinese survivors, archival footage, and chilling testimonies of Japanese soldiers, interwoven with staged readings of the Westerners' letters and diaries.