In a distant future lies a city known as "EDEN", barren of humans for thousands of years. Robots have been the only form of existence since. A human baby girl, Sara, awakes from stasis, questioning all they were taught to believe. No longer an ancient myth, two robots E92 and A37 become her surrogate parents, raising her in a safe haven outside EDEN. Who is Sara, and if humans have not existed for a long time, where and why did she appear? Join the 3 unlikely bunch on their journey to discover the truth.