9 year old girl Sara wakes up in a six metres wide and eight long pit, with 18 others who are hiding in a house construction foundation from a dangerous auto-firing robot - Shall Sara survive the hollow by discovering the truth of the war?
Overview：9 year old girl Sara wakes up in a six metres wide and eight long pit, with 18 others who are hiding in a house construction foundation from a dangerous auto-firing robot - Shall Sara survive the hollow by discovering the truth of the war?
